Augment Code
An AI coding assistant built for large codebases.
- Type
- Builders
- Last shipped
- Oct 8, 2026
Everything Augment Code shipped
October 2026
- Availability
Augment Code agreed to sell Cosmos, Auggie CLI, the Code Context Engine and related technology to Harness, which will continue the work.
September 2026
- New model
Augment Code added GPT-6.1 Sol to Cosmos, and plans to try it in place of GPT-5.6 Sol and GPT-6 Sol.
- New model
Augment Code made Claude Sonnet 5.5 available in Cosmos, and is rolling it into its agent loops in place of earlier Sonnet models.
- New model
Augment Code made Claude Opus 5.5 available in Cosmos, which it says completes agentic tasks at 40% of the cost of Opus 5.
- New model
Augment Code made OpenAI's GPT-6 Sol and Luna models available in Cosmos, with workflows to be upgraded from the GPT-5.6 series.
- New feature
Augment Code added agents in Cosmos that review pull requests, fix CI, comments and conflicts, and give reviewers a briefing with evidence.
- New feature
Augment Code's Cosmos cloud agents now run unattended and notify users only when they need input, available today.
- New feature
Augment Code introduced Cosmos Files, a shared filesystem where team members and their agents work on the same documents across an organization.
- New model
Augment Code made OpenAI's GPT-6 Astra available in Cosmos, aimed at long-horizon coding and multi-step agentic work.
- New model
Augment Code added GLM 5.3 Flash and Gemini 3.8 Flash as new models in Cosmos.
- New feature
Augment Code launched Cosmos Advisor, a single prompt box that builds, fixes and reports costs for a user's software factory.
- New model
Augment Code added Claude Fable 5.1 to its model picker in Cosmos for long, multi-step tasks that can run unattended.