Compare the listed model data for OpenAI GPT-5.4 Pro by OpenAI and OpenAI GPT-5.4 by OpenAI. Benchmark and pricing records are not a controlled test and may change.
Data last updated: 2026-10-16. Verify current model details with each provider.
OpenAI GPT-5.4 Pro: 128K tokens; OpenAI GPT-5.4: 128K tokens. The listed context-window values are equal. OpenAI GPT-5.4 Pro is listed for coding, reasoning, vision, multimodal input, agentic workflows, long-context tasks; OpenAI GPT-5.4 is listed for coding, reasoning, vision, multimodal input, agentic workflows, long-context tasks. Shared catalog benchmark entries: MMLU: OpenAI GPT-5.4 Pro 93.5%; OpenAI GPT-5.4 91.8%; HumanEval: OpenAI GPT-5.4 Pro 94.3%; OpenAI GPT-5.4 92.4%; MATH: OpenAI GPT-5.4 Pro 93.8%; OpenAI GPT-5.4 91.5%; GPQA Diamond: OpenAI GPT-5.4 Pro 86.2%; OpenAI GPT-5.4 83.1%. These records are reference data, not a controlled head-to-head test; verify current pricing and specifications with each provider.
Use these model and provider links to verify current specifications, pricing, and availability.
Using only the catalog's listed per-million-token rates, 1M input plus 1M output tokens costs about $25 for OpenAI GPT-5.4 Pro and $12.5 for OpenAI GPT-5.4. This excludes provider-specific discounts, caching, and other fees.
Choose OpenAI GPT-5.4 Pro when your task aligns with catalog-listed uses or strengths such as Enterprise software engineering requiring complex multi-file project management, Advanced data analysis, financial modeling, and quantitative research, Multimodal business intelligence: combining documents, charts, and data, Legal and compliance document analysis at scale.
Choose OpenAI GPT-5.4 when your task aligns with catalog-listed uses or strengths such as General professional coding, writing, and analysis at scale, Content creation: marketing copy, blog posts, product descriptions, Customer-facing chatbots requiring reliable, broad-knowledge responses, Educational tutoring and learning assistance applications.
OpenAI GPT-5.4 Pro — professional-grade reasoning and coding with extended context and enhanced accuracy.
Parameters: ~220B+ MoE (professional tier, exact size proprietary)
Context: 128K tokens
Catalog pricing: Via LITHOVEX AI free. OpenAI API: premium pricing.
OpenAI GPT-5.4 — highly capable general-purpose model with strong reasoning, code generation, and multimodal understanding.
Parameters: ~175B+ (standard tier, exact size proprietary)
Context: 128K tokens
Catalog pricing: Via LITHOVEX AI free. OpenAI API: premium pricing.
| Specification | OpenAI GPT-5.4 Pro | OpenAI GPT-5.4 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Parameters | ~220B+ MoE (professional tier, exact size proprietary) | ~175B+ (standard tier, exact size proprietary) |
| Context window | 128K tokens | 128K tokens |
| Maximum output | Not listed | Not listed |
| Catalog pricing | Via LITHOVEX AI free. OpenAI API: premium pricing. | Via LITHOVEX AI free. OpenAI API: premium pricing. |
| Listed input/output cost per 1M tokens | input $5, output $20 per 1M tokens | input $2.5, output $10 per 1M tokens |
| License | Proprietary | Proprietary |
| Coding support | Listed | Listed |
| Reasoning support | Listed | Listed |
| Vision input | Listed | Listed |
| Multimodal | Listed | Listed |
| Open weights | No | No |
| Benchmark: MMLU | 93.5% | 91.8% |
| Benchmark: HumanEval | 94.3% | 92.4% |
| Benchmark: MATH | 93.8% | 91.5% |
| Benchmark: GPQA Diamond | 86.2% | 83.1% |
Figures are transcribed from LITHOVEX model records. Benchmark versions and evaluation setups may differ; pricing and specifications can change. Check each provider's current documentation before making a decision.
Read the OpenAI GPT-5.4 Pro model profile and OpenAI GPT-5.4 model profile, or browse the model directory.