gpt-oss-120b vs Mistral Small 3.1 24B
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-oss-120b and Mistral Small 3.1 24B.
gpt-oss-120b
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...
Mistral Small 3.1 24B
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and...
Technical Specifications
| Specification | gpt-oss-120b | Mistral Small 3.1 24B |
|---|---|---|
| Provider | OpenAI | Mistral |
| Context Window | 131,072 tokens | 128,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-08-05 | 2025-03-17 |
API Pricing Comparison
Input Price per Million Tokens
gpt-oss-120b
$0.03
Mistral Small 3.1 24B
$0.35
Output Price per Million Tokens
gpt-oss-120b
$0.15
Mistral Small 3.1 24B
$0.56
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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-oss-120b Quirks & Gotchas
No developer gotchas reported.
Mistral Small 3.1 24B Quirks & Gotchas
No developer gotchas reported.