Anthropic
Claude Opus 4.6
High-end Claude for difficult coding, planning, and slower expert reasoning
anthropic/claude-opus-4-6
Context
1M
Output
128K
Released
2026-02-05
Knowledge cutoff
2025-05-31
Types
Reasoning
Tool use
Structured output
Attachments
Open weights
Provider pricing
- Price
- $5.00 / $25.00
- Context
- 1M
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 1M
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 1M
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 1M
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 200K
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 200K
- Status
- Stable
- Price
- $5.00 / $25.00
- Context
- 1M
- Status
- Stable
- Price
- —
- Context
- 1M
- Status
- Stable
Benchmarks
SWE-Bench Pro
51.9 · resolve rate
SWE-Atlas Codebase QnA
33.3 · score
SWE-Atlas Codebase QnA
30 · score
SWE-Atlas Refactoring
35.58 · score
SWE-Atlas Test Writing
36.67 · score
SWE-Atlas Test Writing
36.08 · score
Artificial Analysis Coding Agent Index
51.3 · average pass@1
SWE-Atlas Codebase QnA
71.9 · pass@1
SWE-Bench Pro
11.8 · pass@1
Terminal-Bench
70.2 · pass@1
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