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Claude Opus 4.7 Released: Key Changes at a Glance

Anthropic released Claude Opus 4.7 on April 16, 2026. A short summary of the key changes — the xhigh level, Task Budgets, 1M context, and more.

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On April 16, 2026, Anthropic released its new flagship model, Claude Opus 4.7. The model ID is claude-opus-4-7.

Opus 4.7 key changes (vs 4.6) Coding ~+13% SWE-bench Pro 64.3% Long tasks ~3x Tokens up to +35% New effort xhigh Price same $5/$25 Source: Anthropic announcements/docs (Apr-May 2026). New tokenizer makes real billing vary by workload.

Key changes

  • Improved coding and agent performance: it posts higher scores than the previous generation on SWE-bench Verified.
  • New xhigh effort level: a new level that lets you tune reasoning depth more finely.
  • Task Budgets: lets you set a token-budget cap for long-running agent tasks.
  • Supports a 1M context window and high-resolution vision.

Note: tokenizer change

Opus 4.7 uses a new tokenizer, so the same input may produce more tokens. Pricing is unchanged, but watch for changes in actual token consumption.

Available platforms

Available in the Claude app (Pro/Max/Team/Enterprise), the Anthropic API, Amazon Bedrock, Google Cloud Vertex AI, and more.

For a detailed feature breakdown, see "Claude Opus 4.7 — The Complete Guide" under Guides > Models.

Based on official announcements. Verify detailed specs in Anthropic's official documentation.

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