Microsoft MAI-Image-2 vs Codex (OpenAI)
Which one should you pick? Here's the full breakdown.
Microsoft MAI-Image-2
Microsoft's first in-house diffusion image model -- launched 2026-04-02, debuted #3 on Arena.ai leaderboard for image model families. Public preview on Azure Foundry. Powers Copilot, Bing Image Creator, and PowerPoint. Efficient variant (MAI-Image-2-Efficient) shipped 2026-04-14
Codex (OpenAI)
OpenAI's cloud-based coding agent -- runs parallel tasks, proposes PRs, and lives inside ChatGPT
Powered by GPT-5.3-Codex / GPT-5.4
| Category | Microsoft MAI-Image-2 | Codex (OpenAI) |
|---|---|---|
| Ease of Use | 6.5 | 8.0 |
| Output Quality | 8.5 | 8.0 |
| Value | 7.5 | 8.0 |
| Features | 7.0 | 9.0 |
| Overall | 7.4 | 8.3 |
Pricing Comparison
| Feature | Microsoft MAI-Image-2 | Codex (OpenAI) |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $5 input / $33 output | $0 |
Benchmark Head-to-Head
GPT-5.3-Codex benchmarks — Microsoft MAI-Image-2 has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-bench | Real GitHub issue fixing | 72% |
| HumanEval | Python code generation | 95% |
Which Should You Pick?
Pick Microsoft MAI-Image-2 if...
Microsoft shops already on Azure or M365 Copilot who need a first-party image model without an OpenAI dependency. Also good for any high-volume programmatic image workflow (ad creative, product photography variations) where MAI-Image-2-Efficient's 4x cost efficiency materially changes the economics.
Visit Microsoft MAI-Image-2Pick Codex (OpenAI) if...
- ✓Easier to use (8 vs 6.5)
- ✓More features (9 vs 7)
Developers 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)Our Verdict
Codex (OpenAI) edges out Microsoft MAI-Image-2 with a 8.3 vs 7.4 overall score. Both are solid picks, but Codex (OpenAI) has the advantage in value.