@froessell
Claude CodeThree.js arena-shooter web game launched on CrazyGames
Limits comparison
Claude Code vs OpenAI Codex
Plans, usage limits, what happens at the limit, model scores, real build spend and use cases, side by side.
Data checked · every row links its source
The verdict, from the data
Both are coding agents in our grouping; decide on price and limits.
Better for you if…
Claude Code
- Its best Claude model scores higher on Web apps, Agentic coding, UI design, Android.
Better for you if…
OpenAI Codex
No clear data edge in what we track.
It depends
- Entry price: OpenAI Codex has no individual monthly price in our data, so we can't compare entry cost.
- Usage per dollar: the two tools meter usage in different units, so we don't rank them on it.
- Reported build spend: Claude Code median $100 (n=9), OpenAI Codex median $200 (n=3).
Each line is computed from our plan, score and cost data. It isn't a quality ranking. Data checked .
Latest models
Claude Code · latest Claude modelsClaude Haiku 5.5 Oct 7, 2026 · Claude Sonnet 5.5 Sep 28, 2026 · Claude Opus 5.5 Sep 22, 2026 · Claude Fable 5.1
OpenAI Codex · latest GPT modelsGPT-6.1 Sol Sep 29, 2026 · GPT-6 Luna Sep 22, 2026 · GPT-6 Astra Sep 3, 2026
Release dates from the vendors' official pages, checked Oct 17, 2026. Older models are hidden from the score charts below.
Price
Claude CodeOpenAI Codex
Plans and limits
Claude Code
| Plan | Price | Included | Resets | At the limit |
|---|---|---|---|---|
| Pro (Claude) | $20/mo monthly | Claude Code included; usage limits, no fixed message count | Rolling 5-hour session window + weekly limits (weekly size not published) | Usage-billed |
| Max 5x | $100/mo | 5x Pro per-session usage; $100/mo API credits | Session limit resets every 5 hours; weekly limit across all models resets at a fixed weekly time assigned to your account | Usage-billed |
| Max 20x | $200/mo | 20x Pro per-session usage; $200/mo API credits | Session limit resets every 5 hours; weekly limit across all models resets at a fixed weekly time assigned to your account | Usage-billed |
| Team Standard | $25/seat/mo | Claude Code included with every seat; shared pool with Claude | unverified | Not confirmed |
| Team Premium | $125/seat/mo | Claude Code included with every seat; shared pool with Claude | unverified | Not confirmed |
| Enterprise | $20/seat/mo + API-rate usage | Claude Code included with every seat; shared pool with Claude | unverified | Not confirmed |
Sources: claude.com · support.claude.com · support.claude.com · checked 2026-10-16
OpenAI Codex
| Plan | Price | Included | Resets | At the limit |
|---|---|---|---|---|
| API key partial | Pay per use at OpenAI API pricing | Codex CLI, SDK, IDE extension; no cloud features (GitHub review, Slack); models follow API key access | n/a (usage-based) | Usage-billed |
Sources: developers.openai.com · help.openai.com · checked 2026-10-16
Model scores by category
Best non-preliminary score from each tool's current model lineup (newest generation only) on one board per category. Older models are left out. Bars run from the lowest to the highest score on that board. These are third-party model scores, not tool scores.
Claude CodeOpenAI Codex
LMArena WebDev Arena · Terminal-Bench 4.0 · Design Arena (All categories) · Android Bench 2.0 (long-horizon, 30 tasks)
What builders say they spent
Claude Code$50–$130median $100 · n = 9 · paid
OpenAI Codex$111.51–$200median $200 · n = 3 · paid
Estimate from user reports, p25–p75. How costs are counted →
Use cases
HamadMalikKhan
Claude CodeGave Claude Code a baseline website, ad accounts and a budget; the site is personalized per visitor with DeepSeek
yureki_lab
Claude CodeAudited and made 140 Celery background jobs idempotent after a double-charge incident
@joaopaulots
OpenAI CodexA Snew landing page update: "For the first time in my life, I built something directly using Codex only."
Paras
OpenAI Codex12 builds: a website about itself and a 3D Three.js Colosseum, each at all 6 reasoning efforts (low to ultra), about 7.5h of agent time. Max had the best code in a blind review
@kevincodex
OpenAI CodexA music video built "using codex alone powered by GPT-6.1-Sol xhigh … cost is just $1.16"
FAQ
Is Claude Code or OpenAI Codex cheaper?
Our data lacks an individual monthly price for OpenAI Codex, so we can't say. See the plan tables for what is listed.
Does Claude Code or OpenAI Codex have a free plan?
Claude Code: no free plan listed. OpenAI Codex: no free plan listed.
What happens when you hit the limit on Claude Code vs OpenAI Codex?
Claude Code Pro (Claude): Usage-billed. OpenAI Codex API key: Usage-billed.
Which scores higher on coding benchmarks, Claude Code or OpenAI Codex?
LMArena WebDev Arena: claude-opus-5.5-max 1807 vs gpt-6-astra-max 1774; Terminal-Bench 4.0: Opus 5.5 (max) 64.85 vs GPT-6 Astra (max) 58.18; Design Arena (All categories): claude-opus-5-5 1389 vs gpt-6-astra 1383; Android Bench 2.0 (long-horizon, 30 tasks): Claude Opus 5.5 32.7 vs GPT 6 Astra 28. These are model scores from third-party boards, not tool scores.