Claude Code vs Codex
The two strongest vendor coding agents, head to head: Anthropic's Claude Code against OpenAI's Codex. Both live in your terminal and IDE; the real differences are the models behind them and how you pay.
Claude Code wins on raw capability: Anthropic's models lead the agentic-coding benchmarks we track, with Claude Fable 5 posting the best CursorBench 3.1 result on the board (72.9% at max effort) versus GPT-5.5's 64.3% at extra-high. If your work is hard, multi-step engineering, Claude Code is the safer default.
Codex wins on economics for ChatGPT subscribers: it runs on a plan many people already pay for, so the marginal cost of heavy agent use can be near zero, while Claude Code's heaviest use pushes you toward higher subscription tiers or API pricing.
The ecosystems are converging: both support skills, and both have large communities. Most developers we see end up running both and routing by task.
Tokens routed through OpenRouter, captured daily. Vendor agents that use first-party APIs are undercounted here. Full board on the agent leaderboard.
Is Claude Code better than Codex?
On agentic-coding benchmarks, yes: Anthropic's models lead, with Claude Fable 5 posting the strongest CursorBench 3.1 result we track (72.9% at max effort) against GPT-5.5's 64.3%. But Codex on an existing ChatGPT subscription can be effectively free at the margin, which for many people outweighs the capability gap on everyday tasks.
Can I use the same skills with Claude Code and Codex?
Increasingly yes. Skills are markdown-based (a SKILL.md file with instructions), and both agents read the same general format, so many skills are portable. Our skills directory marks which agents each skill is verified to work with.
Which is cheaper, Claude Code or Codex?
For light use, both fit inside their vendors' standard subscriptions. For heavy use, the answer depends on which plan you already pay for: an existing ChatGPT plan makes Codex nearly free at the margin, an existing Claude plan does the same for Claude Code. On pure API per-token pricing, GPT-5.4 ($2.50 per million input tokens) undercuts Claude Sonnet 4.6 ($3) and both flagships sit higher.