AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Composer 2.5 vs Mistral NeMo

Cursor
Composer 2.5
Mistral
Mistral NeMo
Overview
CompanyCursorMistral
Release dateMay 18 2026Jul 18 2024
AccessProprietaryOpen Weight
Specifications
Parameters
12B
Context window
128k
Benchmarks
Agentic coding
SWE-Bench Pro
54%
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Agentic coding
DeepSWE 1.0
18%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.1
73%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapMistral NeMo shipped 669 days before Composer 2.5

Which is better: Composer 2.5 or Mistral NeMo?

Composer 2.5 and Mistral NeMo don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral NeMo shipped 669 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.

Composer 2.5 is proprietary, while Mistral NeMo is open weight.

Direct benchmark comparisons are unavailable — Composer 2.5 and Mistral NeMo don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

Mistral NeMo was released by Mistral on Jul 18 2024.

Composer 2.5 is a proprietary model released by Cursor. Mistral NeMo is an open weight model released by Mistral.

Other comparisons