LLM Comparison
GPT-5.4 Nano vs Mistral Small 4
Side-by-side specs, pricing & capabilities · Updated October 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 38 51.7 | 17 44.3 |
| 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 |
| Training Cutoff | Aug 31, 2025 | — |
| Max Output | 128K tokens | — |
| API Identifier | openai/gpt-5.4-nano | mistralai/mistral-small-2603 |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3 | 21.2442artificial-analysis | 11.4511artificial-analysis |
| GPQA Diamond | 81.7172artificial-analysis | 58.8mistral |
| SciCode | 47.2222artificial-analysis | 38.7731artificial-analysis |
| Terminal-Bench 2.1 | 60.6742artificial-analysis | 20.9738artificial-analysis |
| MMLU-Pro | — | 68.5mistral |
| HumanEval | — | 78.5mistral |
| MGSM | — | 72.3mistral |
| LiveCodeBench | — | 64mistral |
| 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 Mistral's Apache-2.0 open-weight hybrid model for instruction following, reasoning, and coding. It has 119B total parameters, 6.5B active parameters, and a 256K-token context window.
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