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Intelligence: the Artificial Analysis Intelligence Index at each model's highest effort. Models without a score yet sit in the lane under the chart, placed by price. Lines at $2 blended and the median score (39.5).
GPT OSS 120BvsMistral Small 4
Send one prompt to every model and read the answers side by side, with speed and cost for each.
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Highlighted values are the best among your picks.
GPT OSS 120BOpen AI· open weights Open GPT reasoning model for self-hosted agents and controllable deployments | Mistral Small 4Mistral AI· open weights Fast Mistral production model for chat, extraction, and cost-sensitive agents | |
|---|---|---|
| Intelligence | ||
| Intelligence index | 11.6 | 11.3 |
| Price | ||
| Input, $ per 1M | $0.10 | $0.15 |
| Output, $ per 1M | $0.50 | $0.60 |
| Typical message (500 in / 250 out) | $0.00017 | $0.00022 |
| Repeated input, cached | $0.10 | $0.01 · 10× cheaper |
| Prompts over 200K tokens | Same price | Same price |
| Limits | ||
| Context window | 131K | 262K |
| Longest answer | 131K tokens | 256K tokens |
| Knowledge cutoff | Not published | Jun 2025 |
| What it can take and do | ||
| Accepts | Text | TextImage |
| Reasoning effort | Low · Med · High | Off · High |
| Tool use | Yes | Yes |
| Guaranteed JSON output | Yes | Not listed |
| Availability | ||
| Released | 5 Aug 2025 | 16 Mar 2026 |
| Open weights | Yes, can self-host | Yes, can self-host |
| API providers offering it | 44 | Mistral AI only |