Skip to main content

Claude Haiku 5.5 chat from Anthropic, released 7 October 2026, through an OpenAI-compatible endpoint. It takes up to 1,000,000 tokens of text and images, returns up to 128,000, and accepts up to 128 tool definitions with forced or automatic tool calls.

Input $0.10Output $0.50per 1 million tokensCached input $0.10Cache write $0.10Prompts over 100K tokensInput $0.50Output $2.50

Workbench

These examples were written for this endpoint. Replace the prompt and sample media URLs with your own accessible inputs, then check the current quote and model availability before submitting.

  • Input types
    Text
    Output types
    Text
    Input
    $0.10 / 1 million tokens
    Cached input
    $0.10 / 1 million tokens
    Output
    $0.50 / 1 million tokens
    Context
    1M
    Max output
    128K

    $0.10/0.50per 1 million tokens · input / output

    companion-turn

    A short companion-chat turn: the persona and house rules travel in the system message, the reply length is set in words because max_tokens does not cut the reply here, and the history follows oldest first.

    • 1024
  • Input types
    Text
    Output types
    Text
    Input
    $0.10 / 1 million tokens
    Cached input
    $0.10 / 1 million tokens
    Output
    $0.50 / 1 million tokens
    Context
    1M
    Max output
    128K

    $0.10/0.50per 1 million tokens · input / output

    ticket-router

    Routing with a forced tool call: tool_choice names route_ticket, so the answer always arrives as a queue and a priority you can act on, never as free text.

    • 512
  • Input types
    Text
    Output types
    Text
    Input
    $0.10 / 1 million tokens
    Cached input
    $0.10 / 1 million tokens
    Output
    $0.50 / 1 million tokens
    Context
    1M
    Max output
    128K

    $0.10/0.50per 1 million tokens · input / output

    invoice-fields

    Extraction into a fixed shape: the tool's parameters are the fields you want, the system message says to leave out anything not present, and tool_choice forces the call.

    • 1024
    • required
  • Input types
    Text
    Output types
    Text
    Input
    $0.10 / 1 million tokens
    Cached input
    $0.10 / 1 million tokens
    Output
    $0.50 / 1 million tokens
    Context
    1M
    Max output
    128K

    $0.10/0.50per 1 million tokens · input / output

    thread-notes

    Compressing a long conversation into notes for a later turn or a larger model: the whole thread travels as written and the system message fixes the format of the notes.

    • 2048

This example starts at Input $0.10 / Output $0.50 per 1 million tokens. The Playground updates the estimate when you change the settings.