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Claude 3.5 Haiku vs Composer 2

Anthropic Claude 3.5 Haiku vs Cursor Composer 2 — side-by-side specs.

Anthropic
Claude 3.5 Haiku
Cursor
Composer 2
Overview
CompanyAnthropicCursor
Release dateOct 22 2024Mar 20 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Coding
SWE-Bench Verified
40.6%
Multilingual coding
SWE-Bench Multilingual
73.7%
Agentic coding
CursorBench v3.1
52.2%
Agentic terminal coding
Terminal-Bench 2.0
61.7%
Science
GPQA Diamond
41.6%
Timeline
Release gapClaude 3.5 Haiku shipped 514 days before Composer 2

Which is better: Claude 3.5 Haiku or Composer 2?

Claude 3.5 Haiku and Composer 2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Haiku shipped 514 days before Composer 2, 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.

Direct benchmark comparisons are unavailable — Claude 3.5 Haiku and Composer 2 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 3.5 Haiku released?
Claude 3.5 Haiku was released by Anthropic on Oct 22 2024.
When was Composer 2 released?
Composer 2 was released by Cursor on Mar 20 2026.

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