Claude Sonnet 4.6

Language Anthropic Verified Released Feb 17, 2026
  • In Input modalities: TextImage Out Output modalities: Text
  • Reasoning· low, medium, high, max
  • Reasoning can be off
  • Tool use
  • Structured output

Prices

9 offerings · prices as listed
Claude API (opens in a new tab) Official Global · USD claude-sonnet-4-6
Conditions/ 1M tokensInputCache readCache writeOutput
5-minute cache1-hour cache
Standard $3.00$0.30$3.75$6.00$15.00
Batch $1.50———$7.50

Prices from Claude API pricing (opens in a new tab) (checked Nov 8, 2026)

Standard: the price a request with no conditions pays (the headline price elsewhere on the site).

Details

Knowledge cutoff
Aug 2025
Open weights
—
Family
claude-sonnet
Model ID

Not stated on Anthropic’s pages: max thinking budget, aliases.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 152.9

    #51 of 118 listed models · CI 151.2–154.7

  • LMArena Text 1,472

    #32 of 163 listed models · CI 1,469–1,476 · 70,016 votes

  • Epoch AI · Chess Puzzles 23%

    #54 of 85 listed models · max effort · ±4.23

    Also listed: high effort 19% · medium effort 16%

  • Epoch AI · GPQA Diamond 87.4%

    #59 of 168 listed models · 32K thinking budget · ±2

    Also listed: high effort 83.3% · medium effort 83.3% · max effort 78.8%

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 7 – Nov 5, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
  • EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 24 – 28, 2026
  • LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
  • changes we made

Included in coding plans

  • GitHub Copilot Pro $10.00 / month
    1,500 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    15 USD of usage per month
  • GitHub Copilot Pro+ $39.00 / month
    7,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    70 USD of usage per month
  • Kiro Pro $20.00 / month
    1,000 credits per month
  • Kiro Pro+ $40.00 / month
    2,000 credits per month
  • Kiro Pro Max $100.00 / month
    5,000 credits per month
  • Kiro Power $200.00 / month
    10,000 credits per month

All coding plans →

  1. 3 new prices on Claude API Cache write (1-hour cache) $6.00 · Input (Batch) $1.50 · Output (Batch) $7.50

Sources

Anthropic’s official policies: data use, privacy, terms →

Anthropic · United States · anthropic.com

Snapshots, the same family and other models from this provider