Claude Opus 4.6
active
Anthropic2026-02-05
Specifications
Modalities
text
image
Context Window1000K tokens
Max Output128K tokens
Training Cutoff2025-08-01
Open SourceNo
Pricing (per 1M tokens)
Input$5.0000
Output$25.0000
Cache Read$0.5000
Benchmarks
Arena score (text)1503
Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.
MMLU-Pro-
SWE-Bench80.8
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model ID
claude-opus-4-6Sources
- Anthropic: Models overview (Legacy models)
general · as of 2026-07-04
- Anthropic: Pricing
pricing · as of 2026-07-04
- Anthropic: Introducing Claude Opus 4.7 (cites Opus 4.6 80.8% SWE-bench Verified)
swe bench · as of 2026-07-04
- LMArena: Arena leaderboard dataset, text_style_control overall: Claude Opus 4.6 (High)
elo rating · as of 2026-10-28