OpenAI o1 vs Wan 2.1 — Which Is Better in 2026?
OpenAI o1 vs Wan 2.1: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
OpenAI
OpenAI o1
Best AI for hard reasoning and math
Alibaba
Wan 2.1
Best open-source video generation model
8.0
Overall Score
8.2
Overall Score
WINNEROur Verdict
Wan 2.1 scores higher overall (8.2/10 vs 8.0/10), winning on Value. Best open-source video model. Apache 2.0 license — run locally for free with no restrictions.
Pricing — OpenAI o1
API: $15/M input · $60/M output · Pro plan
Pricing — Wan 2.1
Open source (free) · Cloud via Replicate and others
OpenAI o1
Pros
- ✓Best multi-step mathematical reasoning available
- ✓Excels at PhD-level problem solving
- ✓Think-before-answer approach reduces errors
Cons
- ✗Much slower than standard GPT models
- ✗Very expensive for routine use
- ✗Not suitable for conversational or creative tasks
Best For
Complex math, scientific reasoning, hard coding challenges, research problems
Wan 2.1
Pros
- ✓Fully open weights — self-host for free
- ✓Strong motion quality for an open model
- ✓No usage restrictions or watermarks
Cons
- ✗Requires GPU to run locally
- ✗Generation quality below Sora/Veo at top settings
- ✗Limited UI — primarily API/script based
Best For
Researchers, developers, privacy-first video generation, cost-sensitive projects
Choose OpenAI o1 if…
- →Performance is your top priority — OpenAI o1 leads by 1.3 points
- →Complex math
- →You also value Reliability — OpenAI o1 wins that dimension too
Choose Wan 2.1 if…
- →Value is your top priority — Wan 2.1 leads by 3.8 points
- →Researchers
- →Alibaba support, documentation, and community suit your team
Frequently Asked Questions
Is OpenAI o1 better than Wan 2.1?
Wan 2.1 scores 8.2/10 overall vs 8.0/10 for OpenAI o1, with an edge on Value. That said, "OpenAI o1" may be the better pick if performance is your priority. The right choice depends on your use case.
What is the pricing difference between OpenAI o1 and Wan 2.1?
OpenAI o1: API: $15/M input · $60/M output · Pro plan. Wan 2.1: Open source (free) · Cloud via Replicate and others. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for researchers?
Wan 2.1 is generally stronger here, scoring 8.2/10 overall. Best open-source video model. Apache 2.0 license — run locally for free with no restrictions. For more niche requirements like performance, OpenAI o1 may be worth evaluating.
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