meetkaiM
meetkai • General Purpose

Use Functionary Medium v2.2 for Free

Functionary Medium v2.2 is MeetKai's production-grade function calling model — optimized for parallel multi-function calling and reliable JSON structured output in agentic AI workflows.

3,000+ registered users 100+ daily active No credit card required No API key needed Released 2024 7B parameters 8K tokens context

What Is Functionary Medium v2.2? — Complete Guide

Functionary Medium v2.2 is an AI model released 2024 by meetkai, a leading organization in large language model research. MeetKai Functionary — chat model fine-tuned to reliably emit function-call JSON. Great for tool-using agents and structured output. With 7B and a 8K tokens context window, Functionary Medium v2.2 is designed to excel across a range of demanding tasks — from software engineering and mathematical problem-solving to multilingual content generation and long-document analysis.

Functionary Medium v2.2 uses a dense transformer architecture with 7B of parameters, all of which are active for every input token. Dense architectures provide predictable, consistent behavior across diverse task types — there are no "cold" experts to warm up, and quality is uniform across prompts. meetkai's training pipeline combined large-scale pretraining on a large-scale multilingual pretraining dataset with supervised fine-tuning and alignment techniques (RLHF or DPO), producing Functionary Medium v2.2's characteristic balance of capability, helpfulness, and safety.

As of 2026-10-16, Functionary Medium v2.2 by meetkai demonstrates measurable performance on standard AI evaluation benchmarks. On BFCL Overall — which measures model performance on specialized evaluation tasks — it achieves 83.2%. These scores place Functionary Medium v2.2 — at 7B of parameters — in a competitive position within its model class. Note that benchmark scores reflect controlled evaluation conditions; real-world performance varies by task, prompt design, and domain specificity.

The primary strengths of Functionary Medium v2.2 are: Production-grade function calling — deployed in commercial products; Parallel tool calling: multiple API calls simultaneously; MIT license. These make it particularly well-suited for Production AI agent frameworks, Multi-tool orchestration, Structured workflow automation. Users working on complex, multi-step problems benefit most from Functionary Medium v2.2's ability to maintain coherence across long inputs and produce structured, verifiable outputs.

Like all current AI systems, Functionary Medium v2.2 has limitations: Specialized — less balanced for general conversation. For production deployments, validating outputs against authoritative sources — especially for domain-specific or time-sensitive information — remains best practice. meetkai continues to improve Functionary Medium v2.2 through ongoing research.

Functionary Medium v2.2 is available on LITHOVEX AI with a free account. Unlike direct API access — which requires billing setup, API key management, and per-token charges — LITHOVEX AI provides a seamless browser interface with no setup required, making Functionary Medium v2.2 accessible to students, researchers, developers, and early-stage teams globally.

Functionary Medium v2.2 Capabilities

General Purpose
Versatile across all tasks

Functionary Medium v2.2 — Technical Specifications

Provider
meetkai
Parameters
7B
Context Window
8K tokens
Released
2024
License
MIT
Origin
United States
Architecture: Dense transformer, 7B, fine-tuned for function calling with parallel tool support
Open Source: Yes — model weights publicly available

Benchmark Performance — Functionary Medium v2.2

BFCL Overall
BFCL Overall — measures model performance on specialized evaluation tasks
83.2%
Parallel Function Calling
Parallel Function Calling — measures model performance on specialized evaluation tasks
79.3%

As of 2026-10-16, Functionary Medium v2.2 by meetkai demonstrates measurable performance on standard AI evaluation benchmarks. On BFCL Overall — which measures model performance on specialized evaluation tasks — it achieves 83.2%. These scores place Functionary Medium v2.2 — at 7B of parameters — in a competitive position within its model class. Note that benchmark scores reflect controlled evaluation conditions; real-world performance varies by task, prompt design, and domain specificity.

Best Use Cases

Production AI agent frameworks
Multi-tool orchestration
Structured workflow automation

Why Choose Functionary Medium v2.2?

Production-grade function calling — deployed in commercial products
Parallel tool calling: multiple API calls simultaneously
MIT license

Strengths

Production-grade function calling — deployed in commercial products
Parallel tool calling: multiple API calls simultaneously
MIT license

Limitations

Specialized — less balanced for general conversation

Architecture & Technical Design

Dense transformer, 7B, fine-tuned for function calling with parallel tool support

The training pipeline for Functionary Medium v2.2 involves multiple stages: large-scale pretraining on diverse multilingual text and code corpora to develop broad world knowledge, followed by supervised fine-tuning on instruction-response pairs, and alignment techniques such as RLHF or DPO. Each stage refines the model's helpfulness, accuracy, and safety. meetkai's research team — based in United States — has optimized Functionary Medium v2.2 for the specific capability profile described above.

Inference efficiency: Functionary Medium v2.2 at 7B is designed to deliver quality outputs at practical serving speeds. Its 8K tokens context window enables processing entire documents, multi-file codebases, and extended conversation histories — particularly valuable for contract review, technical documentation analysis, and codebase-level AI assistance.

How to Use Functionary Medium v2.2 on LITHOVEX AI

Getting started with Functionary Medium v2.2 on LITHOVEX AI takes under two minutes. Follow these steps:

1. Create your free account — Visit the LITHOVEX AI sign-up page and register with your email. No credit card. Takes about 30 seconds.
2. Select Functionary Medium v2.2 — Search for "Functionary Medium v2.2" in the model browser or browse by meetkai. Click to open the chat interface.
3. Start your first conversation — Type your question or task. Paste code, ask for analysis, or upload documents directly.
4. Refine and iterate — Ask follow-up questions, request revisions, or try alternative approaches. Functionary Medium v2.2 maintains full conversation context.
5. Compare with other models — Switch to any of LITHOVEX AI's 200+ models to compare outputs and find the best fit for your task — no additional subscriptions needed.

For best results with Functionary Medium v2.2: provide specific, context-rich prompts; include examples when generating code; specify output format when structure matters; break complex tasks into focused sub-questions.

Real-World Use Cases — Functionary Medium v2.2

Example 1

Parallel multi-function calling for complex agent tasks

Example 2

Reliable JSON output for data processing pipelines

Example 3

AI copilot integration with external business APIs

Example 4

Production agentic workflows requiring high function-calling accuracy

Example 5

OpenAI API-compatible function calling for existing codebases

About meetkai

meetkai is a leading organization in AI research and large language model development. Their team has built expertise across natural language processing, model architecture design, and alignment research. meetkai's models are used by researchers, developers, and enterprises worldwide. Their commitment to advancing AI capability while maintaining responsible deployment practices has made them a respected contributor to the global AI ecosystem. The organization continues to publish research and release models that push the boundaries of what AI systems can achieve.

Founded: 2021, headquartered in United States.

Visit the official meetkai website →

Why pay when Functionary Medium v2.2 is free on LITHOVEX AI?

Official/Direct Access

Functionary Medium v2.2 is released under the MIT license — one of the most permissive open-source licenses available. Free to download, modify, fine-tune, and deploy commercially without restrictions. Developed by MeetKai, it is available on HuggingFace at no cost. Self-hosted deployment costs only the cloud compute you use. On LITHOVEX AI, you get instant free browser access — zero setup required.
Subscription or per-token billing required
API key setup and billing configuration
Usage limits and overage fees
Credit card required upfront
Separate subscriptions for each model

LITHOVEX AI — Free Account

On LITHOVEX AI, access Functionary Medium v2.2 and 200+ other frontier models with a single free account — no API key, no subscription, no credit card.
Free account access — no subscription required
No API key required
No credit card required
Same model, identical output quality
200+ models under one account, $0

How Functionary Medium v2.2 Compares to Alternatives

Functionary Medium v2.2 by meetkai competes in a field with several strong alternatives. Below is a detailed side-by-side comparison against commonly listed alternatives, using benchmark data and capability profiles in the catalog.

gorilla-llmG
Functionary Medium v2.2 vs Gorilla OpenFunctions v2
gorilla-llm • 7B
Metric Functionary Medium v2.2 Gorilla OpenFunctions v2
Parameters 7B 7B
Context Window 8K tokens 4K tokens
Open Source Yes Yes
Reasoning — —
Vision / Multimodal — —
BFCL Overall 83.2% 88.5%
Parallel Function Calling 79.3% —
Where Gorilla OpenFunctions v2 wins
Different provider — diversity in responses
Stronger on BFCL Overall
Where Functionary Medium v2.2 wins
Functionary Medium v2.2 excels in Production AI agent frameworks
Functionary Medium v2.2's meetkai training gives it distinct strengths
Both are available free on LITHOVEX AI
Verdict: Functionary Medium v2.2 and Gorilla OpenFunctions v2 serve overlapping needs. Test both free on LITHOVEX AI to find the better fit for your workflow.
Functionary Medium v2.2 vs Hermes 2 Pro Llama3 8B
Nous Research • 8B
Metric Functionary Medium v2.2 Hermes 2 Pro Llama3 8B
Parameters 7B 8B
Context Window 8K tokens 8K tokens
Open Source Yes Yes
Reasoning — —
Vision / Multimodal — —
BFCL Overall 83.2% —
Parallel Function Calling 79.3% —
Where Hermes 2 Pro Llama3 8B wins
Specialized code generation
Different provider — diversity in responses
Stronger on Function calling accuracy
Where Functionary Medium v2.2 wins
Functionary Medium v2.2 excels in Production AI agent frameworks
Functionary Medium v2.2's meetkai training gives it distinct strengths
Both are available free on LITHOVEX AI
Verdict: Functionary Medium v2.2 and Hermes 2 Pro Llama3 8B serve overlapping needs. Test both free on LITHOVEX AI to find the better fit for your workflow.

Both Functionary Medium v2.2 and the models above are available free on LITHOVEX AI — test them side by side on your real tasks before committing to a subscription with any provider.

Download & Self-Host Functionary Medium v2.2

Functionary Medium v2.2 is released under MIT, which means you can download and run it on your own hardware. Below are the quickest ways to get started.

Hardware Requirements

Format File Size VRAM RAM
FP16 (Full precision) ~16GB 6GB+ 6GB+
GPTQ / AWQ 4-bit ~8GB 4GB+ 4GB+
GGUF Q4_K_M (CPU-OK) ~4GB CPU-only OK 4GB+

Quick Start — Ollama

# Pull and run Functionary Medium v2.2
ollama pull functionary-medium-v2-2
ollama run functionary-medium-v2-2

Quick Start — Python / HuggingFace Transformers

# Install and load Functionary Medium v2.2
from
transformers
import
AutoModelForCausalLM, AutoTokenizer
model = AutoModelForCausalLM.from_pretrained("meetkai/functionary-medium-v2.2")
tokenizer = AutoTokenizer.from_pretrained("meetkai/functionary-medium-v2.2")
Skip the hardware setup entirely.

LITHOVEX AI runs Functionary Medium v2.2 on cloud infrastructure, so you can use it instantly in your browser without downloading anything, configuring drivers, or managing VRAM. Create a free account and start in under 60 seconds.

HuggingFace Model Card Ollama Library

Global Availability & International Use

Functionary is widely used globally in production agentic AI systems where reliable, parallelizable function calling is critical. Teams building AI copilots, workflow automation, and multi-tool AI agents across North America, Europe, and Asia rely on its consistent structured output.

Functionary Medium v2.2 — Version History & Updates

Functionary Medium v2.2 by meetkai has the following version history and notable updates:

2024 — Functionary Medium v2.2 released by meetkai. Initial public release.
As of June 2026 — Functionary Medium v2.2 remains actively available on LITHOVEX AI. Check the official meetkai page for the latest updates and improvements.

For the complete changelog and latest release notes, visit the official meetkai model page.

Frequently Asked Questions — Functionary Medium v2.2

What is Functionary Medium v2.2?
Functionary Medium v2.2 is an advanced AI model developed by meetkai headquartered in United States. MeetKai Functionary — chat model fine-tuned to reliably emit function-call JSON. Great for tool-using agents and structured output. It uses Dense transformer, with 7B of learned knowledge and supports 8K tokens. As of 2026-10-16, Functionary Medium v2.2 is available on LITHOVEX AI with a free account — no API key, no credit card, and no installation required. You can start using it from any modern web browser in under two minutes.
Can I use Functionary Medium v2.2 for free on LITHOVEX AI?
Yes — LITHOVEX AI provides free access to Functionary Medium v2.2 through a free account. Direct API access from meetkai requires billing setup, API key management, and careful token-usage monitoring. LITHOVEX AI removes all those barriers: sign up once with your email address, and you immediately unlock Functionary Medium v2.2 alongside 200+ other frontier AI models. Free accounts include generous daily message limits designed for real professional and research workflows.
What are the best use cases for Functionary Medium v2.2?
Functionary Medium v2.2 is optimally suited for Production AI agent frameworks, Multi-tool orchestration, Structured workflow automation. meetkai designed and trained this model specifically to excel at tasks that require high-quality natural language understanding and generation. Professionals report strong results in Structured workflow automation.
How large is the context window of Functionary Medium v2.2?
Functionary Medium v2.2 supports 8K tokens. A context window determines how much text the model can read and reason over in a single session — from conversation history and code files to legal documents and research papers. This context size covers most professional documents and extended conversations without losing earlier context. The full context window is available on LITHOVEX AI.
What makes Functionary Medium v2.2 different from other AI models?
Functionary Medium v2.2 stands out because of Production-grade function calling — deployed in commercial products. Parallel tool calling: multiple API calls simultaneously. MIT license. Built by meetkai, it is trained on a large-scale multilingual dataset using a carefully optimized training pipeline combining large-scale pretraining with instruction tuning and alignment. Its recorded benchmark scores — BFCL Overall: 83.2%, Parallel Function Calling: 79.3% — validate its competitive position. These qualities make it a strong choice compared to other frontier models on LITHOVEX AI, particularly for users prioritizing Production-grade function calling — deployed in commercial products.
How does Functionary Medium v2.2 perform on benchmarks?
Functionary Medium v2.2 has been evaluated on independent AI benchmarks with the following results: BFCL Overall — 83.2%; Parallel Function Calling — 79.3%. Benchmarks measure specific capabilities: MMLU tests breadth of world knowledge, HumanEval tests Python code generation accuracy, MATH and AIME test mathematical reasoning, and IFEval tests instruction-following reliability. Real-world performance on your specific tasks may differ from controlled benchmark conditions.
Is Functionary Medium v2.2 open-source?
Yes — Functionary Medium v2.2 is released under the MIT license. This means you can download the model weights, run them locally, fine-tune on your own data, and even use the model commercially (subject to license terms). The MIT is highly permissive and allows commercial use, modification, and redistribution with almost no restrictions. Weights are available on HuggingFace.
What is the architecture of Functionary Medium v2.2?
Functionary Medium v2.2 is built on Dense transformer, 7B, fine-tuned for function calling with parallel tool support. This is a dense transformer architecture where all 7B are active for every input token. Dense models provide predictable, consistent quality across all task types. meetkai's training pipeline — large-scale pretraining, supervised fine-tuning, and alignment — produces the characteristic capabilities Functionary Medium v2.2 is known for.
Is Functionary Medium v2.2 safe for enterprise and professional use?
Functionary Medium v2.2 has undergone instruction tuning and alignment to reduce harmful, biased, or factually incorrect outputs. For enterprise use: all LITHOVEX AI requests travel over encrypted HTTPS connections. For organizations with strict compliance requirements (HIPAA, SOC 2, GDPR, PDPA), review both meetkai's data processing terms and LITHOVEX AI's privacy policy. For workloads involving regulated personal data or proprietary intellectual property, consider a self-hosted deployment using the open model weights (which are available under the MIT license). LITHOVEX AI's free tier is appropriate for professional research, development, and content-generation workflows.
How does Functionary Medium v2.2 compare to GPT-4o and Claude?
Functionary Medium v2.2 and GPT-4o/Claude compete in different dimensions. GPT-4o excels at multimodal reasoning and has the most extensive ecosystem integrations; Claude models are known for accuracy, long-context coherence, and instruction-following nuance. Functionary Medium v2.2 — by meetkai — offers Production-grade function calling — deployed in commercial products, which makes it particularly attractive for organizations needing open weights and cost control. The best model for any given task depends on your specific workflow. LITHOVEX AI gives you access to all these models so you can compare them directly on your actual tasks without paying multiple API subscriptions.
What training data was Functionary Medium v2.2 trained on?
Functionary Medium v2.2 was trained on a large-scale multilingual dataset. The knowledge cutoff date is check official documentation for current cutoff date. Like all large language models, Functionary Medium v2.2's training data shapes its factual knowledge, language capabilities, and inherent biases. For the most accurate and current information on specific topics, always verify critical facts from authoritative sources.
Can I use Functionary Medium v2.2 on mobile?
Yes. LITHOVEX AI is fully responsive and optimized for mobile browsers on iOS and Android. Functionary Medium v2.2 runs entirely server-side — your phone only needs a stable internet connection and a modern browser (Chrome, Safari, Firefox). The interface automatically adapts to smaller screens, making it practical for quick tasks, brainstorming, code review, and document analysis from anywhere in the world.
What programming languages does Functionary Medium v2.2 support for coding?
Functionary Medium v2.2 can assist with common programming languages like Python, JavaScript, and SQL, though it is primarily optimized for Production AI agent frameworks, Multi-tool orchestration, Structured workflow automation. For intensive software engineering workflows, consider pairing it with a code-specialized model available on LITHOVEX AI.
Is there a usage limit when using Functionary Medium v2.2 on LITHOVEX AI?
Free accounts on LITHOVEX AI include generous daily message limits designed to accommodate real professional workflows. You will not hit a limit in the middle of a normal working session. Premium accounts (at $40/month) offer higher or unlimited throughput for power users, API builders, and teams with production workloads. Unlike direct API access — which charges per token and requires prepayment — LITHOVEX AI's free tier lets you use Functionary Medium v2.2 extensively before committing to any paid plan.
Who built Functionary Medium v2.2 and who is meetkai?
Functionary Medium v2.2 was created by meetkai headquartered in United States, founded in 2021. meetkai is a leading organization in AI research and large language model development. Their team has built expertise across natural language processing, model architecture design, and alignment research. meetkai's models are used by researchers, developers, and enterprises worldwide. Their commitment to advancing AI capability while maintaining re... Their work has contributed significantly to the open AI ecosystem, and Functionary Medium v2.2 represents one of their most notable contributions.
What alternatives to Functionary Medium v2.2 are available on LITHOVEX AI?
LITHOVEX AI offers 200+ AI models. If Functionary Medium v2.2 does not perfectly fit your workflow, strong alternatives include other frontier models on LITHOVEX AI. These share similar capabilities but may differ in context window size, speed, parameter count, or task specialization. You can switch between models mid-session on LITHOVEX AI and compare outputs directly — making it easy to find the best model for your specific needs without paying multiple API subscriptions.
Does Functionary Medium v2.2 support image or vision inputs?
Functionary Medium v2.2 is a text-only model and does not process image inputs. For vision tasks, LITHOVEX AI offers several multimodal alternatives — including Qwen VL, LLaVA, Gemma 3, and IDEFICS2 — all accessible with the same free account.
Can I download Functionary Medium v2.2 and run it locally?
Yes — Functionary Medium v2.2 is available for download under the MIT license. You can find the model weights on HuggingFace at https://huggingface.co/meetkai/functionary-medium-v2.2. For local deployment, the easiest method is Ollama — run "ollama pull functionary-medium-v2.2" to download and "ollama run" to start it. LM Studio also supports Functionary Medium v2.2 for a desktop GUI experience. Hardware requirements depend on the quantization format: FP16 needs 8GB+, while 4-bit quantized GGUF files run with lower VRAM. For users who don't want to manage local hardware, LITHOVEX AI provides free cloud access to Functionary Medium v2.2 with no setup required.
How much does Functionary Medium v2.2 cost to use?
On LITHOVEX AI, Functionary Medium v2.2 is free — create a free account and start chatting with no credit card required. Through official channels, MIT — free. For most individual users, researchers, and small teams, LITHOVEX AI's free tier provides sufficient access. Enterprise teams needing higher throughput or API integration can upgrade to LITHOVEX AI Premium at $40/month, which unlocks all 200+ models with high-volume access.

Open-source AI at its finest — use Functionary Medium v2.2 free on LITHOVEX AI.

Functionary Medium v2.2 is openly licensed and available for anyone to use. LITHOVEX AI removes all the setup friction — one free account, instant access.

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