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Claude Opus 4.7 vs Composer 2

3 vs 0 benchmarks won

Anthropic
Claude Opus 4.7
Cursor
Composer 2
Overview
CompanyAnthropicCursor
Release dateApr 16 2026Mar 20 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Agentic coding
SWE-Bench Pro
64.3%
Coding
SWE-Bench Verified
87.6%
Multilingual coding
SWE-Bench Multilingual
80.5%Best
73.7%
Agentic coding
CursorBench v3.1
61.6%Best
52.2%
Agentic terminal coding
Terminal-Bench 2.1
66.1%
Agentic terminal coding
Terminal-Bench 2.0
69.4%Best
61.7%
Multi-step tool use
MCP Atlas
79.1%
Web browsing
BrowseComp
79.3%
Cybersecurity
CyberGym
73.1%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
46.9%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
54.7%
Abstract reasoning
ARC-AGI-2
75.8%
Advanced math
FrontierMath · Tier 1–3
43.8%
Advanced math
FrontierMath · Tier 4
22.9%
Science
GPQA Diamond
94.2%
Agentic computer use
OSWorld-Verified
78%
Agentic financial analysis
Finance Agent v2
51.5%
Knowledge work
GDPval-AA
1753
Knowledge work
GDPval (win/tie rate)
80.3%
Chart reasoning
CharXiv Reasoning
82.1%
Multimodal reasoning
MMMU-Pro
75.2%
Spatial reasoning
Blueprint-Bench 2
24.5%
Long context
MRCR v2 (8-needle) · 128k average
59.3%
Timeline
Release gapComposer 2 shipped 27 days before Claude Opus 4.7

Which is better: Claude Opus 4.7 or Composer 2?

Claude Opus 4.7 leads Composer 2 on 3 of the 3 benchmarks they both report (SWE-Bench Multilingual, CursorBench v3.1, Terminal-Bench 2.0). Composer 2 shipped 27 days before Claude Opus 4.7, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On SWE-Bench Multilingual, Claude Opus 4.7 leads at 80.5% vs Composer 2 at 73.7%. On CursorBench v3.1, Claude Opus 4.7 leads at 61.6% vs Composer 2 at 52.2%. On Terminal-Bench 2.0, Claude Opus 4.7 leads at 69.4% vs Composer 2 at 61.7%.

Frequently asked questions

When was Claude Opus 4.7 released?
Claude Opus 4.7 was released by Anthropic on Apr 16 2026.
When was Composer 2 released?
Composer 2 was released by Cursor on Mar 20 2026.
Which is better at coding, Claude Opus 4.7 or Composer 2?
Claude Opus 4.7 leads on SWE-Bench Multilingual — Claude Opus 4.7 80.5% vs Composer 2 73.7%.

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