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    Claude 4 Opus

    The heavyweight for multi-hour autonomous work.

    AnthropicClaudeCtx 200k
    Anthropic
    Claude
    Released 2025-05

    Claude 4 Opus

    The heavyweight for multi-hour autonomous work.

    Opus 4 is Claude's flagship for long-horizon autonomous tasks expensive but unmatched for research and multi-step agents.

    Claude Published 2025-05#anthropic#llm#review
    Context
    200k
    Input
    $15/M
    Output
    $75/M
    Released
    2025-05

    Modalities

    Text
    Image

    Strengths

    • Deepest reasoning
    • Multi-hour agents

    Best for

    Research
    Long autonomy

    Claude 4 Opus FAQ

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    Sources & further reading

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    APA
    Build on Vibe Editorial (2026). Claude 4 Opus The heavyweight for multi-hour autonomous work.. Build on Vibe. Retrieved from https://buildonvibe.site/models/claude-4-opus
    BibTeX
    @misc{bov-models-claude-4-opus,
      title  = {Claude 4 Opus The heavyweight for multi-hour autonomous work.},
      author = {Build on Vibe Editorial},
      year   = {2026},
      url    = {https://buildonvibe.site/models/claude-4-opus},
      note   = {Build on Vibe}
    }
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