Model Review

Claude Opus 4.7: 87.6% SWE-bench and the New Coding Benchmark King

Anthropic released Claude Opus 4.7 on April 16, 2026. It scores 87.6% on SWE-bench Verified, a 7-point jump over its predecessor. Here is what changed, what it costs, and whether you should switch.

claw.mobile Editorial·
6 min read
·May 18, 2026
87.6% SWE-bench Verified (#1)
64.3% SWE-bench Pro (#1)
$15/$75 per M tokens

Quick Answer: Claude Opus 4.7 summary

Claude Opus 4.7 (April 2026) scores 87.6% on SWE-bench Verified, the highest of any AI model. It costs $15/$75 per million tokens via API or is included in Claude Code Max plans ($100-200/mo). Available in Cursor, Windsurf, and Zed. Best for complex multi-file refactoring and agentic coding workflows.

Benchmark Comparison

Opus 4.7 leads on SWE-bench Verified and SWE-bench Pro. GPT-5 variants still lead on Aider Polyglot. The gap between the top models is narrowing, but Opus 4.7 has the clearest lead on the benchmark that matters most for agentic coding: real-world GitHub issue resolution.

ModelSWE-benchAiderPrice (In/Out)
Claude Opus 4.7Anthropic87.6%82.0%$15/$75
GPT-5.2OpenAI80.0%87.5%$2.50/$10
Claude Opus 4.6Anthropic80.8%77.5%$15/$75
Claude Sonnet 4.6Anthropic79.6%76.8%$3/$15
Gemini 3 ProGoogle78.4%82.5%$1.50/$10
Gemini 3 FlashGoogle75.8%71.0%$0.30/$2.50
GPT-5 (high)OpenAI74.9%88.0%$2.50/$10

Prices in USD per million tokens (input/output). Data from SWE-bench Verified and Aider Polyglot leaderboards. See full leaderboard

What Changed in Opus 4.7

7-Point SWE-bench Jump

From 80.8% (Opus 4.6) to 87.6% on SWE-bench Verified. On the harder SWE-bench Pro, the jump is even larger: 53.4% to 64.3%. This is one of the biggest single-generation improvements Anthropic has shipped for coding.

Better Agentic Reasoning

Opus 4.7 is significantly better at planning multi-step coding tasks. It breaks complex refactors into smaller, correct steps and recovers from errors more reliably. This makes it the best model for autonomous coding agents.

Faster Output

Anthropic increased output speed to approximately 35 tokens/second, up from 32 on 4.6. Not a massive jump, but noticeable on longer outputs. Claude Code Fast Mode now defaults to Opus 4.7.

Pricing and Access

Via Claude Code

  • Claude Pro: $20/mo (limited Opus 4.7 access)
  • Max 5x: $100/mo (daily professional use)
  • Max 20x: $200/mo (heavy daily use)
  • API: $15/$75 per M tokens (pay as you go)

Via Third-Party IDEs

  • Cursor: Available on Pro+ ($60/mo) and Ultra ($200/mo)
  • Windsurf: Available on Max ($200/mo)
  • Zed: Via BYO API key

Who Should Use Opus 4.7

Switch to Opus 4.7 if you...

  • Use Claude Code for daily development
  • Work on complex multi-file refactoring tasks
  • Need the highest accuracy on real-world coding problems
  • Are already on a Max plan or using the API
  • Want better agentic loop reliability

Skip it if you...

  • Primarily need fast autocomplete (use Sonnet 4.6 instead)
  • Are budget-constrained (Sonnet 4.6 is 5x cheaper)
  • Build mostly with browser-based tools (Bolt, Lovable)
  • Need high Aider Polyglot scores (GPT-5.2 leads there)
  • Prefer a GUI over terminal workflows

The Verdict

Claude Opus 4.7 is the best AI coding model available right now for agentic workflows. The 87.6% SWE-bench Verified score is not just a number — it translates to noticeably better performance on real refactoring tasks, fewer broken edits, and more reliable multi-step reasoning.

The catch is price. At $15/$75 per million tokens, it is 5x more expensive than Sonnet 4.6 and 6x more than GPT-5.2. For most developers doing routine coding, Sonnet 4.6 or GPT-5.2 are better value. But for hard refactoring, architecture decisions, and autonomous agent loops, Opus 4.7 is worth the premium.

If you use Claude Code daily: upgrade. If you use Cursor or Windsurf casually: Sonnet 4.6 is the smarter pick at $3/$15.

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Frequently Asked Questions

How much does Claude Opus 4.7 cost?
Claude Opus 4.7 costs $15 per million input tokens and $75 per million output tokens via API. Through Claude Code, you can access it via Claude Pro ($20/mo with limited usage), Max 5x ($100/mo), or Max 20x ($200/mo). Cursor Pro ($20/mo) and Windsurf Pro ($20/mo) also offer access to Opus 4.7.
Is Claude Opus 4.7 better than GPT-5.2 for coding?
On SWE-bench Verified, Opus 4.7 scores 87.6% vs GPT-5.2 at 80.0%. On Aider Polyglot, GPT-5.2 leads at 87.5% vs 82.0%. Opus 4.7 is better at complex multi-file refactoring. GPT-5.2 is faster and cheaper for routine coding tasks.
What tools support Claude Opus 4.7?
Claude Opus 4.7 is available in Claude Code (CLI and IDE extensions), Cursor, Windsurf, and Zed. It is the default model in Claude Code Fast Mode. Not yet available in Bolt.new, Lovable, or Replit.
What is the context window for Claude Opus 4.7?
Claude Opus 4.7 has a 1 million token context window and can output up to 64,000 tokens per response. This is large enough to hold most mid-sized codebases in a single context.
Should I upgrade from Claude Opus 4.6?
Yes. Opus 4.7 is a 7-point jump on SWE-bench Verified (87.6% vs 80.8%) at the same pricing. It also includes improved vision capabilities and better agentic reasoning. There is no reason to stay on 4.6 unless your tool does not support 4.7 yet.

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