Long-horizon coding
Trained through reinforcement learning for software tasks that could require hundreds of agent actions.
Historical tool archive
Composer 2: historical overview
Composer 2 was Cursor's in-house coding model released in March 2026 for long-horizon software tasks. It has since been superseded by Composer 2.5 and is no longer listed in Cursor's current model catalog.
No longer active
Archive
What Composer 2 was
Cursor introduced Composer 2 on March 19, 2026 as a lower-cost agentic coding model trained for tasks requiring hundreds of actions. It improved substantially over Composer 1 and 1.5 on Cursor's published internal and external benchmark results.
Composer 2 had a standard tier priced at $0.50 per million input tokens and $2.50 per million output tokens, plus a faster tier at $1.50 input and $7.50 output. Cursor released Composer 2.5 on May 18, 2026 as a direct improvement in intelligence, long-running-task performance, instruction following, communication, and effort calibration.
Past capabilities
What Composer 2 offered
Continued pretraining
Used Cursor's first continued-pretraining run to strengthen the base before reinforcement learning.
Standard and fast variants
Offered a lower-cost standard model and a higher-throughput fast option with the same stated intelligence.
Cursor integration
Ran inside Cursor and drew from the included first-party model usage pool on individual plans.
Availability
Why this listing is historical
Composer 2 is a historical model and is no longer included in Cursor's current model catalog. Its launch pricing was $0.50 per million input tokens and $2.50 per million output tokens; the fast variant was $1.50 input and $7.50 output. Cursor's current Composer option is Composer 2.5.
- Composer 2 is no longer a current selectable model in Cursor's published catalog
- Composer 2.5 directly replaced it with better sustained work, instruction following, communication, and effort calibration
- Launch benchmarks and prices describe the March 2026 release and should not be used as current purchasing information
Status checked . Review the historical source ↗
Current options
Active Composer 2 alternatives
Coding
Composer 2.5
Composer 2.5 is the direct current successor and keeps the standard $0.50/M input and $2.50/M output pricing.
Explore Composer 2.5 →Coding
Claude Code
A current coding-agent alternative for terminal-driven repository work and long-running engineering tasks.
Explore Claude Code →Coding
Codex
A current agentic coding platform for parallel tasks, repository changes, review, and cloud execution.
Explore Codex →Questions
Composer 2 FAQs
Is Composer 2 still available?
Composer 2 is no longer listed in Cursor's current model catalog. Composer 2.5 is the current direct successor.
What replaced Composer 2?
Cursor released Composer 2.5 in May 2026 with better long-running-task performance, instruction following, communication, and effort calibration.
How much did Composer 2 cost?
At launch, the standard model was $0.50 per million input tokens and $2.50 per million output tokens. The fast variant was $1.50 input and $7.50 output.
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