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    Anthropic · OpenAI

    Claude Opus 4.7 vs GPT-5.5 Pro

    Compare Claude Opus 4.7 (Anthropic) and GPT-5.5 Pro (OpenAI) on benchmarks, capabilities, and pricing.

    At a glance

    Claude Opus 4.7GPT-5.5 Pro
    ProviderAnthropicOpenAI
    Context1M tokens1M tokens
    ModalityMultimodalMultimodal
    PricingMaxMax
    SpeedMediumSlow
    ReasoningExpertExpert

    Benchmarks

    Claude Opus 4.7

    AA Intelligence Index
    40.7points
    Artificial Analysis · Date unknownAge unknown
    Output speed
    72tokens/s
    Artificial Analysis · As of Aug 11, 2026Stale · 31d old
    API input cost
    $5.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    API output cost
    $25.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    Context window
    1M
    Catalog · As of Aug 11, 2026Stale · 31d old

    Benchmark variant: Claude Opus 4.7 (Adaptive Reasoning, Max Effort)

    AA data retrieved Sep 11, 2026 · Artificial Analysis

    GPT-5.5 Pro

    AA Intelligence Index
    57points
    Estimated · As of Aug 11, 2026Stale · 31d old
    Output speed
    78tokens/s
    Estimated · As of Aug 11, 2026Stale · 31d old
    API input cost
    $0.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    API output cost
    $0.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    Context window
    1M
    Estimated · As of Aug 11, 2026Stale · 31d old

    Benchmark variant: GPT-5.5 Pro (xhigh)

    AA data retrieved Sep 11, 2026 · Artificial Analysis

    When to pick Claude Opus 4.7

    Reach for Claude Opus 4.7 when your work involves long-context reasoning across sprawling repositories, multi-file refactors, or careful review of dense legal and research documents. It suits agentic coding sessions where the model needs to hold a wide surface area in working memory and produce thorough, well-justified prose explanations.

    When to pick GPT-5.5 Pro

    Choose GPT-5.5 Pro when you need dependable structured outputs, function calling, and JSON-mode responses wired into production pipelines. It fits applications built around the OpenAI tool ecosystem, Assistants API workflows, and teams that want a mature SDK surface for chat, embeddings, and image generation under one roof.

    Try both on yno.ai

    Switch between Claude Opus 4.7 and GPT-5.5 Pro per task with one account.

    Frequently asked

    Which is faster, Claude Opus 4.7 or GPT-5.5 Pro?
    Claude Opus 4.7 is rated medium and GPT-5.5 Pro is rated slow. yno.ai surfaces output-speed scores from Artificial Analysis on each model's detail page so you can compare exact tokens-per-second figures for your workload.
    Which is cheaper, Claude Opus 4.7 or GPT-5.5 Pro?
    Claude Opus 4.7 is on the max tier in yno.ai; GPT-5.5 Pro is on the max tier. See the pricing page for the latest per-tier limits.
    Which is better for Complex software engineering?
    Both models support Complex software engineering. Claude Opus 4.7 brings Software engineering; GPT-5.5 Pro brings Additional reasoning compute. Run a side-by-side eval on your prompts in yno.ai to see which fits your workload.
    Can I use both Claude Opus 4.7 and GPT-5.5 Pro in yno.ai?
    Yes. Both are available on yno.ai under your single account; you can route different stages of an agent to different models or A/B test them on the same prompt without per-provider boilerplate.

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