LLM Comparison
GPT-5.4 Nano vs Mistral Small 4
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
 GPT-5.4 Nano | M Mistral Small 4 | |
|---|---|---|
| Organization |  OpenAI | Mistral AI |
| OpenTools Score | ||
| Family | GPT | Mistral |
| Status | Current | Current |
| Release Date | Mar 2026 | Mar 2026 |
| Context Window | 400K tokens | 262K tokens |
| Input Price | $0.20/M tokens | $0.15/M tokens |
| Output Price | $1.25/M tokens | $0.60/M tokens |
| Pricing Notes | Cache read: $0.0200/M tokens | Cache read: $0.0150/M tokens |
| Capabilities | textvisioncode | textvisioncodetool-use |
| Max Output | 128K tokens | — |
| API Identifier | openai/gpt-5.4-nano | mistralai/mistral-small-2603 |
| Benchmarks | ||
| MMLU | — | 76.5 |
| View GPT-5.4 Nano | View Mistral Small 4 | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Mistral Small 4Cheapest | $0.15 | $0.30 | $0.45 | — |
| GPT-5.4 Nano | $0.20 | $0.63 | $0.83 | +83% |
OpenAI
GPT-5.4 Nano
GPT-5.4 Nano is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.20/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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