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Composer 1.5

Reasoning model

Cursor Composer 1.5

Release date: 2026-02-09Updated: 2026-03-21Views: 186
Live demoGitHubHugging FaceCompare
Parameters
No data
Context length
200K
Multilingual
Supported
Reasoning ability
3/5

Cursor Composer 1.5 is an AI model published by Cursor, released on 2026-02-09, for Reasoning model, and 200K context length, with a 65.90 score on SWE-bench Multilingual.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

Composer 1.5

Model basics

Reasoning traces
Supported
Thinking modes
Thinking Mode (Default)Standard Mode
Context length
200K tokens
Max output length
No data
Model type
Reasoning model
Modality (in / out)
No data
Release date
2026-02-09
Model file size
No data
MoE architecture
No
Total params / Active params
No data / Not applicable
Knowledge cutoff
No data
Composer 1.5

Open source & experience

Code license
Proprietary
Weights license
Proprietary
GitHub repo
N/A
Hugging Face
N/A
Live demo
N/A
Composer 1.5

Official resources

Paper
DataLearnerAI blog
N/A
Composer 1.5

API details

API speed
3/5
💡Default unit: $/1M tokens. If vendors use other units, follow their published pricing.
Standard
TypeConditionInputOutput
Text-$3.50/ 1M$17.50/ 1M
Cache PricingPrompt Cache
TypeTTLWriteRead
Text-$0.350/ 1M

“—” means the modality is not billed in that direction, or the vendor has not published a price for it.

Composer 1.5

Benchmark Results

Composer 1.5 currently shows benchmark results led by Terminal Bench 2.0 (37 / 48, score 47.90), SWE-bench Multilingual (27 / 29, score 65.90). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.

Thinking

AI Agent - Tool Usage

1 evaluations
Benchmark / mode
Score
Rank/total
Terminal Bench 2.0
Thinking Mode
47.90
37 / 48

Coding and Software Engineer

1 evaluations
Benchmark / mode
Score
Rank/total
65.90
27 / 29
Composer 1.5

Publisher

Cursor Composer 1.5

Model Overview

Cursor Composer 1.5 is an AI model published by Cursor, released on 2026-02-09, for Reasoning model, and 200K context length, with a 65.90 score on SWE-bench Multilingual.

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