Claude Haiku 5.5

Language Anthropic Verified Released Oct 7, 2026
  • In Input modalities: TextImage Out Output modalities: Text
  • Reasoning
  • Reasoning can be off
  • Tool use
  • Structured output

Prices

6 offerings · prices as listed
Claude API (opens in a new tab) Official Global · USD claude-haiku-5-5
Conditions/ 1M tokensInputCache readCache writeOutput
5-minute cache1-hour cache
Standard $0.10$0.010$0.125$0.20$0.50
Prompts over 100K tokens $0.50$0.050$0.625$1.00$2.50
Batch $0.050———$0.25
Prompts over 100K tokensBatch $0.25———$1.25

Prices from Claude API pricing (opens in a new tab) (checked Nov 1, 2026)

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

Details

Knowledge cutoff
Jun 2026
Family
claude-haiku
Model ID

Not stated on Anthropic’s pages: max input, reasoning efforts, max thinking budget, built-in tools, aliases.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 160.2

    #15 of 118 listed models · CI 158–162.6

  • LMArena Text 1,425

    #78 of 163 listed models · high effort · CI 1,417–1,432 · 7,890 votes

  • Epoch AI · Chess Puzzles 55%

    #14 of 85 listed models · max effort · ±5

    Also listed: low effort 24%

  • Epoch AI · EBR-bench 43.8%

    #10 of 28 listed models · max effort · ±1.78

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Oct 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
  • GitHub Copilot Max $100.00 / month
    20,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
  • GitHub Copilot Business $19.00 / month
    1,900 credits per month
  • 3,900 credits 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 →

  • Oct 7, 2026Release Anthropic releases Claude Haiku 5.5 Claude Haiku 5.5 is available now across platforms, including AWS, Google Cloud, and Microsoft Azure, with API access under claude-haiku-5-5. Pricing per million tokens for prompts up to 100,000 tokens is $0.10 input and $0.50 output; above that, it is $0.50 input and $2.50 output.
  1. Now priced on Google Cloud Vertex AI, asia-southeast1 Input $0.11 · Input (Prompts over 100K tokens) $0.55 · Output $0.55 · Output (Prompts over 100K tokens) $2.75 · +11 more
  2. 4 new prices on Google Cloud Vertex AI, europe-west1 Input $0.11 · Input (Prompts over 100K tokens) $0.55 · Output $0.55 · Output (Prompts over 100K tokens) $2.75
  3. 4 new prices on Google Cloud Vertex AI, US Input $0.11 · Input (Prompts over 100K tokens) $0.55 · Cache write (1-hour cache) $0.22 · Cache write (Prompts over 100K tokens, 1-hour cache) $1.10
  4. 12 new prices on Claude API Cache write (5-minute cache) $0.125 · Cache write (1-hour cache) $0.20 · Cache read $0.010 · Input (Prompts over 100K tokens) $0.50 · +8 more
  5. Now priced on Claude API Input $0.10 · Output $0.50
  6. New language model

Sources

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

Anthropic · United States · anthropic.com

Snapshots, the same family and other models from this provider