Claude Opus 5 (Fast)
Newanthropic/claude-opus-5-fast-20260723
This model accepts text, image, and file inputs and generates text outputs. It supports a context length of one million tokens and has tool and reasoning capabilities.
Tracked, but not yet independently ranked
This model is in the catalog, but we do not yet have enough public benchmark data to place it confidently in quality-focused recommendations. It may still appear in price-based recommendations.
- tool use
- structured outputs
- reasoning
At a glance
Specifications
What the API gives you
- Context window
- 1M tokens
- Max output
- 128K tokens
- Input price
- $10 / 1M tokens
- Output price
- $50 / 1M tokens
- Cache read
- $1 / 1M tokens
- Modalities
- text, image, file → text
- Knowledge cutoff
- —
- Released
- Jul 23, 2026
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Benchmarks
No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.