Ellipsis
Ellipsis is a managed cloud platform for building and running coding agents for feature generation, background tasks, and code review.
What Ellipsis is
Ellipsis is a managed cloud platform for building and running coding agents for feature generation, background tasks, and code review. Agents are configured in YAML, deployed by merging changes, and can start from API calls, schedules, or events. Each session runs in an isolated cloud sandbox prepared with repositories, dependencies, and tools. The platform supports Claude Code and Codex, and agents or models can be switched without rebuilding the agent. Features include triggers, durable conversations, REST API and CLI access, structured output, shared skills, templates, session search, and live steering. Listed integrations are GitHub, Linear, Slack, and Sentry; Jira is marked as coming soon. Teams can scope repository access and read or write permissions. Session-created GitHub credentials are revoked when the sandbox ends, and session data retention can be configured from zero hours to one year. Ellipsis says code is deleted with its session sandbox and agent actions are logged. Usage costs vary; organizations pay for tokens plus a 10% platform fee, while CPU and memory are billed by usage. There are no per-seat fees.
Good
- Agents can start from API calls, schedules, or events.
- Sessions use isolated cloud sandboxes.
- Repository access and permissions can be scoped.
- Session retention is configurable from zero hours to one year.
- Spend caps apply per session, day, and month.
Watch out
- Organization pricing includes a 10% platform fee.
- CPU and memory are billed by usage.
- Direct support requires a paid package.
- Jira is marked coming soon.
Who it suits
Ellipsis suits engineering teams building their own tools, workflows, and agent-powered applications. Organizations should consider its usage-based charges and whether they need direct support, which is offered through paid packages.
Verdict
Ellipsis provides configurable coding agents in isolated sessions, with controls for permissions, retention, and spending. Its usage-based billing and separate support packages are important considerations for teams.
Plans and prices
From Ellipsis's own pricing page, checked 22 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Individuals | Free | Free with a Claude Code or Codex subscription · Free with a Claude Code or Codex subscription |
| Organizations | — | Tokens plus 10% platform fee · CPU and memory billed by usage · No per-seat fees or idle charges |
| Standard support | $5,000 a month | Slack support channel · guided onboarding · custom-agent help · 48-hour first response · shared support engineer · Monthly |
| Advanced support | $10,000 a month | Slack support channel · guided onboarding · custom-agent help · BYOC help · 24-hour first response · shared support engineer · Monthly |
| Premier support | $15,000 a month | Slack support channel · guided onboarding · custom-agent help · BYOC deployment help · security questionnaires · 4-hour first response · named support engineer · Monthly |
| Managed SaaS | — | No per-seat fees · full feature set · usage based · Tokens at cost plus 10% platform fee; CPU $0.142/vCPU-hour; memory $0.024/GB-hour |
| Your AWS Account | — | Runs in customer AWS VPC · full feature set · usage based · AWS costs plus 10% platform fee on token cost |
The facts
Each one read from Ellipsis's own pages, with the date it was checked.
What it does
- Agent configuration
- Agents are defined as YAML files in a repository and become live through a merged change.checked 15 Oct 2026
- Agent harnesses
- The product supports Claude Code and Codex, and says agents and models can be switched without rebuilding the agent.checked 9 Oct 2026
- Background automations
- Automations can run on cron schedules, repository events, issue events, failed checks, releases or mentions.checked 15 Oct 2026
- Bug fixing
- Developers can invoke an agent from a GitHub comment to modify code, run tests and return a commit or pull request.checked 15 Oct 2026
- CLI
- The command-line client starts sessions, streams output, manages configurations and opens sessions in the browser IDE.checked 15 Oct 2026
- CLI licence
- The public Ellipsis CLI repository states that the CLI is MIT licensed while the cloud engine remains proprietary.checked 15 Oct 2026
- Cloud sandboxes
- Each session runs in an isolated sandbox with repositories, dependencies, tools, scoped credentials and resource limits.checked 15 Oct 2026
- Cloud sessions
- Each agent session runs in an isolated cloud sandbox with repositories, dependencies, and tools prepared for it.checked 9 Oct 2026
- Code review
- A code-review configuration can run up to 64 named reviewers on matching pull-request pushes and post one combined GitHub review.checked 15 Oct 2026
- Compute limits
- Environment schemas support configurable CPU, memory and timeout values, with documented ranges up to 16 vCPUs, 64GB RAM and one hour.checked 15 Oct 2026
- Credential isolation
- GitHub credentials minted for a session are revoked when its sandbox is torn down, and permissions can be limited per repository and operation.checked 15 Oct 2026
- Data and logs
- Code is kept in the session sandbox and deleted with it, while agent actions are logged and session data retention can be configured from zero hours to one year.checked 9 Oct 2026
- Data retention
- Customers can set session-data retention from zero hours to one year, while other operational data has a maximum three-day TTL and deletion occurs within four hours after expiry.checked 15 Oct 2026
- Documentation depth
- Documentation includes getting-started guides, configuration schemas, API reference, SDK guides, CLI instructions, integrations and security material.checked 15 Oct 2026
- Features
- The platform offers triggers, durable conversations, REST API and CLI access, structured output, shared skills, templates, session search, and live steering.checked 9 Oct 2026
- Funding
- Ellipsis announced a $2 million seed round on June 19, 2024, backed by Y Combinator and other investors.checked 15 Oct 2026
- Integrations
- The listed integrations are GitHub, Linear, Slack, Sentry and Jira, with Sentry and Jira marked as coming soon on the integrations page.checked 15 Oct 2026
The company
- Company
- Ellipsis says it started in 2023, joined Y Combinator's W24 batch, and is installed on more than 67,000 repositories across 400-plus companies.checked 9 Oct 2026
- Company founding and headquarters
- LinkedIn lists Ellipsis.dev as founded in 2023 and headquartered in New York, New York.checked 15 Oct 2026
- Company legal name
- Crunchbase identifies the company as Ellipsis AI Inc.checked 15 Oct 2026
- Company size
- LinkedIn lists the company size as 2–10 employees.checked 15 Oct 2026
- Founded
- 2023checked 28 Sep 2026
- Headquarters
- New York, New York, United Stateschecked 28 Sep 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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