DeepYard
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Claude Opus 4.6

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Opus 4.6 is Anthropic’s strongest model for coding and long-running professional...

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About

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective for large codebases, complex refactors, and multi-step debugging that unfolds over time. The model shows deeper contextual understanding, stronger problem decomposition, and greater reliability on hard engineering tasks than prior generations. Beyond coding, Opus 4.6 excels at sustained know

Details

Modalityimage, text
Context Window1.0M tokens
Release DateFeb 4, 2026
API AvailableYes
Hostingapi
Output Speed80 tokens/sec
Time to First Token900ms
Quality Index95/100
Coding Index96/100
Reasoning Index93/100

Benchmarks

Chatbot Arena ELO
1475/1500
MMLU-Pro
89/100
SWE-bench Verified
80.8/100
MATH-500
89/100
GPQA Diamond
78.3/100
HumanEval
96.8/100
Artificial Analysis Index
53/100

Tags

multimodallong-contextapichatfrontiercodingreasoning