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CursorProprietary
Cursor Composer 1.5
Cursor's foundation model.
Parameters
Undisclosed
Context Window
200K
License
Proprietary
Release Date
2026-02-09
API Pricing
Input Price (per 1M tokens)
$3.5
Output Price (per 1M tokens)
$
Billing Mode: standard
Strengths
- ・Efficiently generates and refines code snippets.
- ・Integrates smoothly into the developer workflow.
- ・Provides context-aware coding suggestions.
Weaknesses
- ・May generate syntactically correct but inefficient code.
- ・Can be overly reliant on large context windows.
- ・Struggles with extremely niche or novel frameworks.
Use Cases
- ・Rapid prototyping of software applications.
- ・Automating boilerplate code generation.
- ・Assisting developers in learning new languages or APIs.
Deep Analysis
Architecture
MoE + Thinking
RL Compute
20x Composer 1
Pricing
$3.50/$17.50 per 1M tokens
SWE-bench Multilingual
65.9%
Release Date
February 2026
Strengths
- ・Fewer retries than Composer 1
- ・Better instruction following
- ・Self-summarization for long sessions
- ・Thinking tokens
Weaknesses
- ・Higher cost
- ・No free-tier
- ・Lower scores than premium peers
Competitor Comparison
| Model | SWE | |
|---|---|---|
| Composer 1 | 56.9% | |
| Composer 2 | 73.7% | $0.50/$2.50 |
Composer 1.5 is Cursor's second-gen coding model with 20x RL scaling. Thinking tokens and self-summarization.
Sources
Analysis generated: 2026-05-24