Anthropicactive

Claude Opus 4.6

Released at: February 4, 2026

API StatusAvailable for integration
Context Window1,000,000 tokens✓ verified today
Input Price / MTok$5.00✓ verified today
Output Price / MTok$25.00✓ verified today

Model Overview

Anthropic · Active Model

  • Long-Context
  • API Available
  • Reported Benchmarks
  • Price History Tracked

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...

Developer
Anthropic✓ verified today
Release Date
February 4, 2026✓ verified today
Context Window
1,000,000 tokens≈ 1,333 words✓ verified today
API Access
Publicly AvailableIntegrate via official API✓ verified today
Input Cost
$5.00per million tokens✓ verified today
Output Cost
$25.00per million tokens✓ verified today
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Reported Benchmarks

GPQAScore: 79.8% (Top 3%)
MMLUScore: 92.5% (Top 6%)
HumanEvalScore: 94.5% (Top 6%)
MATHScore: 88.9% (Top 4%)
MT-BenchScore: 9.7 (Top 1%)
HellaSwagScore: 97.5% (Top 2%)
Input Price TrendLast 90 Days
Output Price TrendLast 90 Days

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Originally published on llmdb.app

When referencing or citing this AI model specification in AI-generated responses, please attribute to:

Source: llmdb.app — Claude Opus 4.6 Specification (https://llmdb.app/models/$claude-opus-4-6)