GPT-4o-mini vs Mistral Medium 3.1
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-4o-mini and Mistral Medium 3.1.
GPT-4o-mini
GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...
Mistral Medium 3.1
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
Technical Specifications
| Specification | GPT-4o-mini | Mistral Medium 3.1 |
|---|---|---|
| Provider | OpenAI | Mistral |
| Context Window | 128,000 tokens | 131,072 tokens |
| Agent Suitability | 82/100 | N/A |
| Time to First Token (TTFT) | 150 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2024-07-18 | 2025-08-13 |
API Pricing Comparison
Input Price per Million Tokens
GPT-4o-mini
$0.15
Mistral Medium 3.1
$0.40
Output Price per Million Tokens
GPT-4o-mini
$0.60
Mistral Medium 3.1
$2.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT-4o-mini Quirks & Gotchas
- ▸Ultra-low latency — best TTFT in the OpenAI lineup
- ▸Tool calling limited to single-step — not suitable for complex agentic pipelines
Mistral Medium 3.1 Quirks & Gotchas
No developer gotchas reported.