Claude Code
No free tier
- Claude Pro$20/mo
- Claude Max (5x)$100/mo
- Claude Max (20x)$200/mo

Claude Code
Claude Opus 4.7 (xhigh effort recommended for agentic coding)
Our pickCodex (OpenAI)
GPT-5.2-Codex (default 2026-04-23) / GPT-5.5 / GPT-5.4
Tier-list head-to-head. Codex (OpenAI) takes the A-tier slot — here's the breakdown.
Spec sheet
| Tier | B-tier | A-tierwin |
| Overall score | 7.8 / 10 | 8.3 / 10win |
| Powered by | Claude Opus 4.7 (xhigh effort recommended for agentic coding) | GPT-5.2-Codex (default 2026-04-23) / GPT-5.5 / GPT-5.4 |
| Free tier | No | Yeswin |
| Starting price | $20 | $0 |
| Best for | Experienced developers who are comfortable in the terminal and want an AI that can do real, multi-file engi… | Developers already paying for ChatGPT Plus who want a coding agent at no extra cost. |
| Last reviewed | 2026-05-06 | 2026-04-25 |
Head-to-head
Rated 1-10 on the same rubric across all 130 tools we cover.
What you'll pay
Look past the headline number -- entry-tier limits drive most cost surprises.
No free tier
Free tier available
GPT-5.2-Codex (launched 2026-04-23 -- SOTA on SWE-Bench Pro and Terminal-Bench 2.0; first-party scores below pending detailed third-party verification) benchmarks — Claude Code has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-bench | Real GitHub issue fixing | 72% |
| HumanEval | Python code generation | 95% |
The decision
Use-case anchors and category strengths, side by side.
Experienced developers who are comfortable in the terminal and want an AI that can do real, multi-file engineering work autonomously. Especially strong for refactoring, debugging, and building features across complex codebases.
Visit Claude CodeDevelopers already paying for ChatGPT Plus who want a coding agent at no extra cost. Especially good for parallel task execution -- assign multiple bug fixes or feature branches and let Codex work them simultaneously.
Visit Codex (OpenAI)Bottom line
Codex (OpenAI) edges out Claude Code by 0.5 points (8.3 vs 7.8) -- a A-tier vs B-tier split that's narrow but real. Not a blowout; both belong on a shortlist. The score gap shows up most clearly in the categories that matter for Codex (OpenAI)'s strengths, so if those categories are your priority, the lead translates.
On pricing, Codex (OpenAI) starts free while Claude Code requires a paid plan from day one ($20+). If you're testing the waters or running an occasional workload, that gap matters more than the score differential. Claude Code starts at $20; Codex (OpenAI) starts at $0. Compare what each entry tier actually unlocks before you compare list prices -- the limits matter more than the headline number.
By use case: pick Claude Code when experienced developers who are comfortable in the terminal and want an ai that can do real, multi-file engineering work autonomously. Pick Codex (OpenAI) when developers already paying for chatgpt plus who want a coding agent at no extra cost. The two tools aren't fighting for the same person -- they're aiming at adjacent jobs that occasionally overlap. If you're squarely in Codex (OpenAI)'s lane, the tier-list ranking and the use-case fit point the same direction; if you're in Claude Code's lane, the score gap matters less than the fit.
Bottom line: Codex (OpenAI) is the safer default for most readers, but Claude Code is competitive enough that the tie-breaker is your specific workload, not the spec sheet.
Keep digging
Full Claude Code review
Tier B · 7.8/10
Full Codex (OpenAI) review
Tier A · 8.3/10
Claude Code alternatives
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Built from our daily AI-tool sweep, last touched May 6, 2026. Honest tier-list reviews — no affiliate-link pieces disguised as advice. See the rubric or how we review.