Claude Code vs Codex for DeepSeek
Claude Code is the only DeepSeek harness with verified runs today.
Verdict
Claude Code is the best-verified DeepSeek harness today: 4 AgentRunDB runs, 75% success. Codex works via config but has no verified runs yet.
| Claude Code | Codex | |
|---|---|---|
| Status | ⚠ Partial (run-verified) | Source Only |
| Verified runs | 4 | 0 |
| Success rate | 75% | — |
| Tool calling | ✓ (deepseek-chat) | unverified |
| Setup | 2 env vars | config.toml provider |
Both use the OpenAI/Anthropic-compatible endpoint. Claude Code has the evidence trail — check its compatibility page.