DevStral 2 vs OpenAI Codex Agent
The definitive head-to-head comparison for Vibe Coders.

DevStral 2
OpenAI Codex Agent
DevStral 2 vs OpenAI Codex Agent comparison: discover which platform fits your Vibe Coding workflow with a quick snapshot of pricing, categories, and standout strengths. This head-to-head overview highlights what makes each option unique so searchers and builders immediately see the differentiators.
The Winner
OpenAI Codex Agent is the Vibe Coding Champion
Why these tools are being compared
Both DevStral 2 and OpenAI Codex Agent compete for builders who want fast, AI-assisted creation without losing control of their stack. DevStral 2 leans on open-source cli agent with reproducible runs while OpenAI Codex Agent emphasizes autonomous 'o3' reasoning model, so this matchup helps clarify which strengths matter most for your next launch.
Feature and pricing takeaways
On pricing, DevStral 2 offers open-source cli agent; enterprise governance via mistral platform, whereas OpenAI Codex Agent lists included in chatgpt plus ($20/mo) and pro ($200/mo). Feature-wise, DevStral 2 shines with open-source cli agent with reproducible runs and optimized for codestral and mistral large reasoning, while OpenAI Codex Agent stands out for autonomous 'o3' reasoning model and end-to-end task execution (up to 30 mins). If you care about AI speed and responsiveness, compare the Vibe Score dimensions below to see which tool keeps your flow steady.
Who should choose each tool
Choose DevStral 2 if you need Enterprise engineering teams and want a stack centered on Developer IDEs & Agents. Pick OpenAI Codex Agent when you value ChatGPT Pro Users and prefer a tool that matches Developer IDEs & Agents. If you simply want the highest overall Vibe Score, the winner banner above makes that choice obvious.
Vibe Score Breakdown
DevStral 2
OpenAI Codex Agent
Feature Showdown
| Feature | DevStral 2 | OpenAI Codex Agent |
|---|---|---|
| Pricing | Open-source CLI agent; enterprise governance via Mistral Platform | Included in ChatGPT Plus ($20/mo) and Pro ($200/mo) |
| Trusted Rating | N/A | N/A |
| Primary Category | Developer IDEs & Agents | Developer IDEs & Agents |
| Best For | Enterprise engineering teams | ChatGPT Pro Users |
| Key Strength | Open-source CLI agent with reproducible runs | Autonomous 'o3' reasoning model |
| AI Model | Integrated | Integrated |
FAQs: DevStral 2 vs OpenAI Codex Agent
- What is the main difference between DevStral 2 and OpenAI Codex Agent?
- DevStral 2 focuses on open-source cli agent with reproducible runs while OpenAI Codex Agent highlights autonomous 'o3' reasoning model. Both target developer ides & agents, but their onboarding, AI depth, and pricing models feel different.
- Which tool is better for speed and flow?
- DevStral 2 leads in the Flow State dimension of the Vibe Score, so teams wanting fewer interruptions and faster loops should start there.
- How do DevStral 2 and OpenAI Codex Agent compare on pricing?
- DevStral 2 lists open-source cli agent; enterprise governance via mistral platform, whereas OpenAI Codex Agent offers included in chatgpt plus ($20/mo) and pro ($200/mo). Consider which aligns with your budget and whether you need free tiers, seat-based plans, or bundled AI features.
- Who should choose DevStral 2 vs OpenAI Codex Agent?
- DevStral 2 fits teams that value Enterprise engineering teams, while OpenAI Codex Agent suits those prioritizing ChatGPT Pro Users. If you need category-specific guardrails, start with the tool that matches your daily workflows.
In summary, DevStral 2 vs OpenAI Codex Agent comes down to how you prioritize speed, AI assistance, and pricing flexibility. Scan the feature showdown, Vibe Score charts, and FAQs to match your workflow, then jump into the free trials to feel which experience delivers the best vibe.