claude-opus-4-5-20251101
by Jiekou.AI · family claude-opus · listed Jan 2026TV
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Current rates USD per 1M tokens
Input$4.50
Output$22.50
Cache read—
Cache write—
Against the market
On the record
- Model id
claude-opus-4-5-20251101- Context window
- 200K tokens
- Max output
- 66K tokens
- Input modalities
- text, image
- Output modalities
- text
- Reasoning
- no
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-01
- Last updated
- 2026-01
Back of the envelope
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