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Up to four models side by side. The best value in each row is highlighted. Task scores are heuristics, not benchmark results.
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| Attribute | |
|---|---|
| Overview | |
| Company | OpenAI |
| Version | — |
| Tier | fast |
| Released | 2025-10-29 |
| Open weights | Yes |
| Parameters | 21.5B |
| Status | Active |
| Pricing (USD per 1M tokens) | |
| Input | $0.075 |
| Output | $0.30 |
| Cached input | $0.037 |
| Batch input | — |
| Batch output | — |
| Blended (3 in : 1 out) | $0.13 |
| Est. cost per token | $0.000000131 |
| Capacity | |
| Context window | 131K |
| Max output | 66K |
| Inputs | text |
| Features | |
| Caching | Yes |
| JSON schema | Yes |
| Reasoning | Yes |
| Tools | Yes |
| Task fit (heuristic, 1–5) | |
| coding | 3 / 5 |
| reasoning | 3 / 5 |
| math | 3 / 5 |
| summarization | 4 / 5 |
| extraction | 4 / 5 |
| classification | 4 / 5 |
| chat | 3 / 5 |
| creative | 3 / 5 |
| translation | 4 / 5 |
| vision | 1 / 5 |
| long context | 3 / 5 |
| agentic | 3 / 5 |
Prices are USD per 1M tokens from vendor price lists. “—” means the vendor does not publish it.