vs codex · claude code

More accurate
than Claude Code.

75.3% on Terminal-Bench 2.0 with GPT-5.6 vs Claude Code’s 58% — a leaner harness that gets more right per run, and beats theirs even on their own Opus models. Cross-vendor review, native binary tools, extensible, plugs into any stack.

Terminal-Bench 2.0
75.3%
+17.3pp more accurate than Claude Code’s best score — and same-vendor Opus beats it on our harness too.
TODO for AIGPT-5.6 Sol
75.3%
TODO for AIOpus 4.7
60.7%
Claude CodeOpus 4.6
58%

Ours measured locally · Claude Code from the public leaderboard.

FeatureCodexClaude CodeTODO for AI
Persistent cloud VM
Your own always-on cloud machine — nothing dies. Files, sessions and logins survive between runs.
Understands your brand
Uses your business and brand context to tailor each todo — instead of starting from a generic prompt.
Voice control (Jarvis)
Describe the work out loud — Jarvis turns it into todos and sends them to the right agents.
Growth recommendations
Pretested business-growth todos, not just code — one click runs them immediately, so you steer how your company grows.
Model freedom
OpenAI only
Anthropic only
Every provider
Cross-vendor review
Review Claude’s work with GPT — or the other way around.
Open-source runtime
Codex’s CLI is open-source but terminal-only. Claude Code is closed-source. Ours: edge runtime + CLI both public — build your own UI on top.
(CLI only)
Integration model
Wrap a CLI tool, ship it the same day.
Vendor-curated
Vendor-curated
Any binary
Token efficiency
Real CLI tools on your cloud VM instead of token-heavy MCP — fewer tokens, more done per run.
MCP overhead
MCP overhead
Native CLI tools
Install size
One tiny file — smaller than a photo. Installs in seconds and runs on any machine.
Node runtime
Node runtime
~185 KB
Chrome extension
Agent drives your real signed-in Chrome. Claude has this too — but only Chrome, desktop only.
In-app browser
A sandboxed browser inside the chat — no install, works in any browser.
Cloud browsers
Spin up on-demand cloud Chromium sessions the agent drives — hibernate and restore anytime.
TODO registry
Open, reusable task templates — publish your own via the public registry.
Embed on your site
Drop the agents into any website with one script tag.
Team roles & shared plan
Invite teammates, assign owner, admin or member roles, and share pooled AI credit and projects under one bill.
Per-seat
Per-seat
Roles + pooled usage
Agent permissions
Control which machines and tools each agent can reach — auto-allow, require approval, or block.
Basic
Basic
Allow · approve · block
Scope
Code-only
Code-only
Code + business ops
Multi-agent orchestration
Limited
Limited
Parallel TODOs

Everything Codex and Claude ship — plus any CLI tool becomes an integration, no waiting on a vendor.

Browse integrations

Enterprise — SAML SSO and audit logs available on request.

Review Tool · live

Claude wrote it.
GPT reviewed it.

Claude Opuswriting patch…
@@ auth.ts
- if (user.token)
+ if (user.token && !expired(user.token))
GPT-5reviewing…
2 issues caught the original missed.
• race when token refreshes mid-flight
• no clock-skew tolerance on expired()

Cross-vendor review. Different model = different blind spots. Structurally impossible in single-vendor tools.

Try the review tool
Open source

Fork it.
Make it yours.

Edge runtime and CLI both public. Build your own UI on every feature. Vendor lock-in: zero. The bridge is one ~185 KB file — smaller than a photo.

We OSS — and we ship it.

Integrations

Any binary
is an integration.

# tools/gh.yaml
name: gh
command: gh
describe: "GitHub CLI"
args:
- pr
- create

Our own integrations are binaries. Yours can be too — wrap a CLI in a YAML and it's an integration.

Browse integrations
TODOs find you. Not the other way.
Browser extension surfaces site-specific TODOs in-page — click to run.
Extension details