Claude Sonnet 4.6
Multimodal
New
#1τ2-bench Telecom
#1τ2-bench Retail
#1MMMLU
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by Anthropic
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About
Claude Sonnet 4.6, released by Anthropic in February 2026, is a comprehensive upgrade across coding, computer use, long-reasoning, and agent planning. Released alongside Claude Opus 4.6, it continued Anthropic's pattern of iterating quickly on the Sonnet line to maintain performance for the agentic coding workflows that Claude Code and similar tools rely on day-to-day.
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Pricing Range
Input (per 1M)$3.00 -$3.00
Output (per 1M)$15.00 -$15.00
Providers3
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Timeline
AnnouncedFeb 17, 2026
ReleasedFeb 17, 2026
Knowledge CutoffAug 1, 2025
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Specifications
Capabilities
Multimodal
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License & Family
License
Proprietary
Performance Overview
Performance metrics and category breakdown
Overall Performance
16 benchmarks
Average Score
72.0%
Best Score
97.9%
High Performers (80%+)
5Performance Metrics
Max Context Window
264.0KTop Categories
Science
89.9%
Agents
73.6%
Coding
69.3%
Finance
63.3%
Tool Use
61.3%
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All Benchmark Results for Claude Sonnet 4.6
Complete list of benchmark scores with detailed information
| τ2-bench Telecom | 97.90 | 97.9% | Unverified | ||
| τ2-bench Retail | 91.70 | 91.7% | Unverified | ||
| GPQA Diamond | Science | 89.90 | 89.9% | Unverified | |
| MMMLU | 89.30 | 89.3% | Unverified | ||
| GDPVal-AA Elo | 1633.00 | 81.7% | Unverified | ||
| SWE Bench Verified | Coding | 79.60 | 79.6% | Unverified | |
| MMMU-Pro (with tools) | 75.60 | 75.6% | Unverified | ||
| BrowseComp | Agents | 74.70 | 74.7% | Unverified | |
| MMMU-Pro | 74.50 | 74.5% | Unverified | ||
| OSWorld | Agents | 72.50 | 72.5% | Unverified |
Showing 1 to 10 of 16 benchmarks