Quick Verdict
OpenAI Codex leads on SWE-bench (72.8% vs -)
Pricing
| Mimo Code | OpenAI Codex | |
|---|---|---|
| Price | Free (BYO keys) | $20-200/mo |
| Open source | Yes ✅ | Yes ✅ |
| Best for | Vision-capable OpenCode fork | Parallel task execution |
Performance & Benchmarks
Mimo Code scores - and OpenAI Codex scores 72.8% on SWE-bench. Here’s what that actually means for daily use.
Mimo Code is built for vision-capable opencode fork. It’s open source with Free (BYO keys) pricing.
OpenAI Codex is built for parallel task execution. It’s open source with $20-200/mo pricing. SWE-bench: 72.8%
Feature Comparison
| Feature | Mimo Code | OpenAI Codex |
|---|
Pros & Cons
Mimo Code
Pros:
- OpenCode fork with vision support
- Reasoning model integration
- Active development
Cons:
- Smaller community than OpenCode
- No subagents
OpenAI Codex
Pros:
- Parallel Git worktree execution
- Cloud sandboxed agents
- Included in ChatGPT Plus
Cons:
- OpenAI models only
- Cloud-dependent for parallel mode
Verdict
OpenAI Codex leads on SWE-bench (72.8% vs -)
Mimo Code is recommended for: Open-source agent with vision capabilities OpenAI Codex is recommended for: Parallel ticket processing and batch tasks
For a full overview of all 15 agents, see the Complete Guide to AI Coding Agents.