Claude Opus 4.5
Claude Opus 4.5 is an AI model published by Anthropic, released on 2025-11-25, for Reasoning model, and 200K tokens context length, with no open-source license.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $5.00/ 1M | $25.00/ 1M |
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $2.50/ 1M | $12.50/ 1M |
| Type | TTL | Write | Read |
|---|---|---|---|
| Text | 5m | $6.25/ 1M | $0.500/ 1M |
Opus 4.5 currently shows benchmark results led by MMLU Pro (2 / 126, score 90), SWE-bench Verified (5 / 105, score 80.90), Terminal Bench Hard (1 / 13, score 44). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
Claude Opus 4.5 is an AI model published by Anthropic, released on 2025-11-25, for Reasoning model, and 200K tokens context length, with no open-source license.
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