LLM Comparison
Mistral Small 4 vs GPT-5.4 Mini
Side-by-side specs, pricing & capabilities · Updated April 2026
Price vs Intelligence
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2/6 modelsSame tier:
M Mistral Small 4 |  GPT-5.4 Mini | |
|---|---|---|
| Organization | Mistral AI |  OpenAI |
| OpenTools Score | 51 136 | 64 24.5 |
| Family | Mistral | GPT |
| Status | Current | Current |
| Release Date | Mar 2026 | Mar 2026 |
| Context Window | 262K tokens | 400K tokens |
| Input Price | $0.15/M tokens | $0.75/M tokens |
| Output Price | $0.60/M tokens | $4.50/M tokens |
| Pricing Notes | Cache read: $0.0150/M tokens | Cache read: $0.0750/M tokens |
| Capabilities | textvisioncodetool-use | textvisioncode |
| Max Output | — | 128K tokens |
| API Identifier | mistralai/mistral-small-2603 | openai/gpt-5.4-mini |
| Benchmarks | ||
| MMLU-Pro | 68.5mistral | — |
| HumanEval | 78.5mistral | — |
| MGSM | 72.3mistral | — |
| GPQA Diamond | 58.8mistral | 88openai |
| LiveCodeBench | 64mistral | — |
| SWE-bench Pro | — | 54.4openai |
| OSWorld-Verified | — | 72.1openai |
| Terminal-Bench 2.0 | — | 60openai |
| MMMU-Pro | — | 76.6openai |
| View Mistral Small 4 | View GPT-5.4 Mini | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Mistral Small 4Cheapest | $0.15 | $0.30 | $0.45 | — |
| GPT-5.4 Mini | $0.75 | $2.25 | $3.00 | +567% |
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.
OpenAI
GPT-5.4 Mini
GPT-5.4 Mini is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.75/M input tokens.
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