Composer 2.5
PulseAugur coverage of Composer 2.5 — every cluster mentioning Composer 2.5 across labs, papers, and developer communities, ranked by signal.
- partners with Grok 4.5 90%
- competes with Claude Opus 4-8 80%
- used by Grok 4.5 70%
- instance of Grok 4.5 70%
- uses Grok 4.5 70%
- competes with Grok 4.5 70%
- used by Opus 4.8 70%
- competes with Composer 2.5 (fast) 70%
- instance of Composer 2.5 (fast) 70%
- competes with GPT 5.6 "Sol" 70%
- competes with Opus 4.8 60%
- used by Claude Opus 4-8 60%
- 2026-08-19 product_launch The Cursor IDE is experiencing high demand for its Composer 2.5 feature. source
- 2026-06-01 product_launch xAI released Composer 2.5, an AI model available within Grok Build. source
- 2026-06-01 product_launch xAI released Composer 2.5, a new AI model available within Grok Build. source
- 2026-06-01 product_launch xAI launched Composer 2.5, a new model for Grok Build. source
- 2026-05-26 product_launch Cursor released Composer 2.5, an in-house model that now rivals Claude Opus 4.7 and GPT 5.5 on agent benchmarks while being significantly cheaper. source
- 2026-05-21 product_launch Cursor AI has trained and released its Composer 2.5 model, utilizing Fireworks AI's infrastructure. source
- 2026-05-18 product_launch Cursor released Composer 2.5, an AI model matching top-tier performance at a significantly lower cost.
- 2026-05-18 product_launch Cursor AI launched Composer 2.5, an agentic coding model, in partnership with Together AI. source
- 2026-05-18 product_launch Cursor released Composer 2.5, a frontier coding model, powered by Fireworks AI's training infrastructure. source
- 2026-05-18 product_launch Composer 2.5, a new model for the Cursor IDE, has been released.
- 2026-05-18 product_launch Cursor releases Composer 2.5, a new AI model.
- 2026-05-18 product_launch Cursor has launched its new AI model, Composer 2.5.
- 2026-01-12 product_launch Cursor launched its new Composer 2.5 model, claiming performance comparable to Claude Opus 4.7 at a significantly lower cost.
- 2025-10-14 product_launch Cursor released its new Composer 2.5 model, offering performance comparable to Claude Opus 4.7 at a significantly lower cost.
6 day(s) with sentiment data
Composer 2.5's text feedback RL may lead to novel agent error correction techniques
Composer 2.5's use of text feedback RL to pinpoint errors at their exact location, rather than just evaluating final outcomes, represents a significant departure from standard RL methods. This could lead to more precise and efficient debugging of AI agents, potentially enabling new techniques for error correction that are more granular than current approaches.
Composer 2.5 agent mode bug causes task execution interruptions
Multiple Cursor IDE users are reporting a bug in Composer 2.5 where the agent mode unexpectedly reverts to ask mode. This bug halts task execution and causes the AI to lose context of the overall pipeline, impacting its ability to complete complex coding tasks.
Composer 2.5 usage limits on lower-tier plans are a point of user concern
Users on Cursor's $20/month plan are actively inquiring about usage limits for Composer 2.5 and 2.5 Fast. This indicates that the perceived value and accessibility of these AI models are tied to clear and predictable usage tiers, and a lack of clarity could lead to user dissatisfaction.
-
Cursor IDE user threatens cancellation over missing Composer 3 release
A user on Reddit is expressing frustration with the lack of a release for Composer 3, a feature they consider a major selling point for the Cursor IDE. They are threatening to cancel their subscription if Composer 3 is …
-
Cursor IDE users demand control over AI agent selection
A user on Reddit expressed frustration with the Cursor IDE's automatic switching of AI agents, specifically citing issues with Grok. The user prefers to manually select their AI model, such as Composer 2.5, and dislikes…
-
Cursor users call for development of Composer 3 coding model
A user on the r/cursor subreddit expressed a strong desire for the development of Composer 3, a coding model they believe is essential for the continued success of the Cursor IDE. The user lamented the apparent halt in …
-
Cursor explores mobile and cloud agent models amid user limitations
Cursor is exploring new capabilities with its mobile and cloud agent models, though some users are encountering limitations. One user reported an inability to launch new cloud jobs with certain models, specifically ment…
-
Cursor Pro+ vs. Ultra plan token usage questioned by user
A user on the r/cursor subreddit is inquiring about the token usage differences between Cursor's Pro+ and Ultra plans. They calculated that their Pro+ usage of 2.9 billion tokens, which they estimate is 3x the Pro plan'…
-
Cursor users frustrated with Composer 2.5, seek better AI coding assistants
A user on Reddit's r/cursor subreddit expressed frustration with the performance of Composer 2.5, an AI model they have been using for coding tasks. Despite its initial promise of speed and cost-effectiveness, the user …
-
Cursor mobile app bug incorrectly sets model to fast mode
The Cursor mobile app on Android exhibits a bug where selecting "composer 2.5" incorrectly defaults to "fast" mode. This behavior is inconsistent with how fast mode is indicated for other models in the same selection li…
-
Cursor IDE UI criticized for bugs and lag, but praised for Composer 2.5 integration
A user on Reddit's r/cursor subreddit expressed significant frustration with the Cursor IDE's user interface, describing it as buggy and laggy. Despite these issues, the user continues to use Cursor primarily for its in…
-
Cursor IDE user reports significantly faster workflow and efficient model usage
A user shared their positive initial experience with the Cursor IDE, noting a significantly faster workflow and comparable code quality to previous tools like Codex. They highlighted efficient usage of the Cursor Model …
-
Cursor IDE AI assistant performance questioned by user
A user on Reddit is questioning if the Cursor IDE's AI assistant is still using Composer 2.5. They observed a decline in performance, noting issues with basic SCSS problems and unhelpful responses, which they contrast w…
-
User asks about Grok's UI and design capabilities on Reddit
A user on Reddit's r/cursor subreddit is inquiring about the user interface capabilities of Grok, an AI model. They are considering reactivating their Cursor subscription after being impressed with Grok's performance on…
-
Cursor disables Composer 2.5, sparking user frustration
Cursor has reportedly disabled Composer 2.5 from its models list in a recent update, and removed it from the website's model dropdown. Users are expressing frustration with the change, noting that it is now more difficu…
-
Composer 2.5 users report high demand errors
A user on Reddit is experiencing issues with Composer 2.5, reporting a "High demand error" that prevents them from using the software. The user has attempted to use Composer multiple times without success.
-
Cursor IDE experiences high demand for Composer 2.5
The Cursor IDE is currently facing high demand for its Composer 2.5 feature. Users are being advised to switch to an alternative model, enable auto-selection, or wait and try again later due to the increased load.
-
Cursor IDE criticized for deceptive Grok model integration
A user on Reddit's r/cursor subreddit expressed frustration with the Cursor IDE's handling of the Grok AI model. The user claims Cursor is being deceptive by not clearly indicating when Grok is being used and by auto-sw…
-
Cursor IDE users seek to control subagent behavior with Composer 2.5
A user on Reddit is seeking assistance with configuring the Cursor IDE to prevent it from utilizing Composer 2.5 for subagent tasks. The user has attempted to implement rules in their agent.md file, but reports that Cur…
-
Grok 4.6 High offers significant cost savings over Auto
Grok 4.6 High is currently more cost-effective than Auto, offering 3 million tokens per dollar compared to Auto's 2.7 million tokens per dollar. This pricing advantage is attributed to a temporary "double usage" promoti…
-
Cursor IDE users struggle with AI rule adherence
A user is experiencing issues with the Cursor IDE, specifically its inability to consistently follow predefined rules and instructions. The user has attempted to provide reference materials, including .md files and down…
-
Cursor IDE local use and Grok/Composer vs GPT-5.6 combo debated
A user is inquiring about the local computer usage capabilities of the Cursor IDE, specifically its integration with the iOS Simulator, as they are considering a switch from other coding assistants like Codex and CC. Th…
-
AI agents transform code review, reducing human oversight
A software developer shared how using AI agents for code review has significantly reduced their need to meticulously read every line of code before merging. The process involves AI tools like Opus 5 and Composer 2.5 to …