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    Claude 4.5 Sonnet

    The current state of the art in coding.

    AnthropicClaudeCtx 200k
    Anthropic
    Claude
    Released 2025-09

    Claude 4.5 Sonnet

    The current state of the art in coding.

    Claude 4.5 Sonnet is the coding leader on SWE-bench and agentic evals, with the strongest long-horizon computer-use trajectory.

    Claude Published 2025-09#anthropic#llm#review
    Context
    200k
    Input
    $3/M
    Output
    $15/M
    Released
    2025-09

    Modalities

    Text
    Image

    Strengths

    • Best coding SOTA
    • Agentic tool use
    • Long context recall

    Best for

    Coding agents
    Refactors

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    APA
    Build on Vibe Editorial (2026). Claude 4.5 Sonnet The current state of the art in coding.. Build on Vibe. Retrieved from https://buildonvibe.site/models/claude-4-5-sonnet
    BibTeX
    @misc{bov-models-claude-4-5-sonnet,
      title  = {Claude 4.5 Sonnet The current state of the art in coding.},
      author = {Build on Vibe Editorial},
      year   = {2026},
      url    = {https://buildonvibe.site/models/claude-4-5-sonnet},
      note   = {Build on Vibe}
    }
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