Computational Model Studio · Model release

Claude Sonnet 5.5

General reasoning, coding, and knowledge tasks with an emphasis on speed and capability.

Developer: Anthropic · Last verified:

What it is designed to do

General reasoning, coding, and knowledge tasks with an emphasis on speed and capability.

Primary contribution
inference planning
Input
text, image
Output
text (generated text response)

Documented uses: General reasoning, coding, and knowledge tasks with an emphasis on speed and capability.

Access and deployment

  • Claude Sonnet 5.5 Anthropic API — available. Provider account and API access under the publisher’s current service rules. Offering documentation Complete provider service terms were not reviewed for this offering.
    • provider hosted: Use exact provider model ID claude-sonnet-5-5 with an eligible account and supported API endpoint. Limits: No local hardware requirement or weight-download claim is inferred from this API offering..
Technical profile and review notes
Construction
learned
Representation
neural
Normalized architecture tags
No normalized architecture tag assigned
Lifecycle
active

Inclusion rationale: The publisher identifies Sonnet as its speed/intelligence balance, a practical alternative to current Opus and Haiku.

Limitations

  • The reviewed publisher source establishes the listed task and modalities, not independent accuracy or reliability measurements.
  • Provider API access does not establish downloadable weights or local hardware feasibility.

Sources and related Studio records

Sources

  1. Claude models overviewAnthropic · checked 2026-10-04

Connections