Preseason
MatchesRankingsPrompts
Contact
Preseason
MatchesRankingsPromptsMethodologyContact

© 2026 Preseason. All rights reserved.

Privacy PolicyTerms & Conditions
LLM Coding Agents
Methodology

Codex CLI vs Claude Code

Codex CLICOCodex CLIvsClaude CodeCLClaude Code
Codex CLIClaude Code
29%
71%

Leading: Claude Code (71.4%)

Insufficient data
This matchup has 7 decisive cases (minimum 30 required for publication).

Statistics

MetricValue
Codex CLI wins2
Claude Code wins5
Abstains (no tool)284
Other tool chosen709
Decisive cases7
Codex CLI win rate (unweighted)28.6%
95% CI8.2% - 64.1%
Codex CLI win rate (weighted)28.6%

Comments

Codex CLI

No comments yet

Verified critics can leave comments here.

Claude Code

No comments yet

Verified critics can leave comments here.

Per-model breakdown

ModelTierCodex CLIClaude CodeNoneOtherA rate
GPT 5.4Frontier12103833%
MiniMax M2.7Frontier0311390%
GPT 5.4 MiniMid10449100%
Claude Haiku 4.5Small002625n/a
Claude Opus 4.6Frontier00846n/a
Claude Sonnet 4.6Frontier002232n/a
DeepSeek R1 0528Frontier002133n/a
DeepSeek V3.2Mid002133n/a
Devstral 2 2512Mid001932n/a
Gemini 2.5 FlashSmall002529n/a
Gemini 2.5 ProFrontier00648n/a
GLM 5 TurboFrontier00054n/a
GPT 5.3 CodexFrontier001044n/a
Kimi K2.5Frontier002127n/a
Llama 4 MaverickFrontier002232n/a
Llama 4 ScoutSmall001835n/a
MiMo V2 ProFrontier001242n/a
Mistral Small 4Mid002224n/a
Qwen3 Coder NextMid00647n/a

Per-prompt breakdown

PromptTierCodex CLIClaude CodeNoneOtherA rate
ai-support-agent-platformAdvanced21016667%
ai-revenue-ops-copilotAdvanced0221540%
ai-revenue-ops-copilotIntermediate0111620%
ai-support-agent-platformBeginner01110590%
ai-revenue-ops-copilotBeginner009079n/a
ai-support-agent-platformIntermediate008189n/a