Devin vs OpenAI o3 — Which Is Better in 2026?
Devin vs OpenAI o3: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
Cognition
Devin
First true AI software engineer
OpenAI
OpenAI o3
Best AI for hard math, science, and coding
7.8
Overall Score
7.9
Overall Score
WINNEROur Verdict
OpenAI o3 scores higher overall (7.9/10 vs 7.8/10), winning on Performance and Reliability. Best AI for hard math, science, and coding. Tops every reasoning benchmark — expensive and slow.
Pricing — Devin
Teams $500/mo · Enterprise custom pricing
Pricing — OpenAI o3
ChatGPT Pro $200/mo · API: usage-based
Devin
Pros
- ✓End-to-end task completion with minimal guidance
- ✓Can write, test, debug, and deploy code autonomously
- ✓Handles multi-file, multi-step engineering tasks
Cons
- ✗Very expensive for individuals
- ✗Overkill for simple tasks
- ✗Still requires human review of complex changes
Best For
Engineering teams automating routine coding tasks, enterprises with large codebases
OpenAI o3
Pros
- ✓#1 on reasoning and math benchmarks
- ✓Tops SWE-bench for autonomous coding
- ✓Extended thinking for complex multi-step problems
Cons
- ✗Slow — designed for deliberate thinking, not chat
- ✗Expensive API pricing
- ✗Overkill for simple tasks
Best For
PhD-level research, competitive programming, hard science problems
Choose Devin if…
- →Value is your top priority — Devin leads by 1.5 points
- →Engineering teams automating routine coding tasks
- →You also value Ease of Use — Devin wins that dimension too
Choose OpenAI o3 if…
- →Performance is your top priority — OpenAI o3 leads by 1.3 points
- →PhD-level research
- →You also value Reliability — OpenAI o3 wins that dimension too
Frequently Asked Questions
Is Devin better than OpenAI o3?
OpenAI o3 scores 7.9/10 overall vs 7.8/10 for Devin, with an edge on Performance and Reliability. That said, "Devin" may be the better pick if value is your priority. The right choice depends on your use case.
What is the pricing difference between Devin and OpenAI o3?
Devin: Teams $500/mo · Enterprise custom pricing. OpenAI o3: ChatGPT Pro $200/mo · API: usage-based. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for phd-level research?
OpenAI o3 is generally stronger here, scoring 7.9/10 overall. Best AI for hard math, science, and coding. Tops every reasoning benchmark — expensive and slow. For more niche requirements like value, Devin may be worth evaluating.
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