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    Anthropic

    Claude Opus 4.6

    Anthropic's February 5, 2026 Opus model remains active as a legacy option, with text and image input, a 1M-token context window and up to 128K output. At launch, Anthropic reported 76% on the 8-needle, 1M-token variant of MRCR v2. Current documentation recommends Opus 5 for new Opus workloads.

    1M tokens
    Multimodal
    Max
    Superseded
    Provider
    Anthropic
    Context
    1M
    Catalog · As of Aug 11, 2026Stale · 31d old
    yno subscription tier
    Max
    Released
    Feb 5, 2026
    Speed
    Medium
    Reasoning
    Expert
    Modality
    Multimodal

    Benchmarks

    Quality

    AA Intelligence Index
    26.4points
    Artificial Analysis · Date unknownAge unknown
    GPQA Diamond
    84%
    Artificial Analysis · Date unknownAge unknown

    Speed and latency

    Output speed
    70tokens/s
    Artificial Analysis · As of Aug 11, 2026Stale · 31d old

    API pricing

    API input cost
    $5.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    API output cost
    $25.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown

    Benchmark variant: Claude Opus 4.6 (Non-reasoning, High Effort)

    AA data retrieved Sep 11, 2026 · Artificial Analysis

    Indexes use points; evaluations use accuracy percentages. API measurements do not measure yno application performance. Methodology

    Capabilities

    • Reasoning
    • Code Architecture
    • Research
    • Agentic
    • Writing

    Use cases

    • Complex architecture
    • Deep research
    • Enterprise agents
    • Technical strategy

    Strengths

    • 1M context / 128K output
    • Text and image input
    • Adaptive thinking
    • Long-context analysis

    Best for

    Teams maintaining Opus 4.6 integrations or evaluating migration to Opus 5

    Use Claude Opus 4.6 in yno.ai

    No credit card required

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    Frequently asked

    What is Claude Opus 4.6?
    Anthropic's February 5, 2026 Opus model remains active as a legacy option, with text and image input, a 1M-token context window and up to 128K output. At launch, Anthropic reported 76% on the 8-needle, 1M-token variant of MRCR v2. Current documentation recommends Opus 5 for new Opus workloads.
    How much does Claude Opus 4.6 cost in yno.ai?
    Claude Opus 4.6 is available on the Max tier of yno.ai.
    What can Claude Opus 4.6 do?
    Claude Opus 4.6 is best for Teams maintaining Opus 4.6 integrations or evaluating migration to Opus 5. Its main capabilities include Reasoning, Code Architecture, Research, Agentic, Writing.
    How does Claude Opus 4.6 compare to other models?
    Claude Opus 4.6 excels at 1M context / 128K output and is recommended for Complex architecture, Deep research, Enterprise agents, Technical strategy. See related models below.
    How do I use Claude Opus 4.6 in yno.ai?
    Sign up for yno.ai, select Claude Opus 4.6 from the model picker, and start chatting.