LLM Comparison
GPT-5.4 Pro vs Mistral Small 4
Side-by-side specs, pricing & capabilities · Updated May 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 82 0.8 | 21 55.7 |
| Family | GPT | Mistral |
| Status | Current | Current |
| Release Date | Mar 2026 | Mar 2026 |
| Context Window | 1.1M tokens | 262K tokens |
| Input Price | $30.00/M tokens | $0.15/M tokens |
| Output Price | $180.00/M tokens | $0.60/M tokens |
| Pricing Notes | — | Cache read: $0.0150/M tokens |
| Capabilities | textvisioncode | textvisioncodetool-use |
| Max Output | 128K tokens | — |
| API Identifier | openai/gpt-5.4-pro | mistralai/mistral-small-2603 |
| Benchmarks | ||
| GPQA Diamond | 93openai | 58.8mistral |
| SWE-bench Pro | 57.7openai | — |
| MATH-500 | 94.6openai | — |
| MMLU-Pro | — | 68.5mistral |
| HumanEval | — | 78.5mistral |
| MGSM | — | 72.3mistral |
| LiveCodeBench | — | 64mistral |
| View GPT-5.4 Pro | View Mistral Small 4 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Mistral Small 4Cheapest | $0.15 | $0.30 | $0.45 | — |
| GPT-5.4 Pro | $30.00 | $90.00 | $120.00 | +26567% |
OpenAI
GPT-5.4 Pro
GPT-5.4 Pro is a multimodal llm from OpenAI. Supports up to 1,050,000 token context window. Available from $30.00/M input tokens.
Mistral AI
Mistral Small 4
Mistral Small 4 is a multimodal llm from Mistral AI. Supports up to 262,144 token context window. Achieves 76.5% on MMLU. Available from $0.15/M input tokens.
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