GPT-4.1 vs Wan 2.1 — Which Is Better in 2026?
GPT-4.1 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
GPT-4.1
OpenAI's best coding model
Alibaba
Wan 2.1
Best open-source video generation model
8.9
Overall Score
WINNER8.2
Overall Score
Our Verdict
GPT-4.1 scores higher overall (8.9/10 vs 8.2/10), winning on Performance and Reliability. OpenAI's latest flagship. Best coding performance in the GPT family.
Pricing — GPT-4.1
API: $2/M input · $8/M output · Plus $20/mo
Pricing — Wan 2.1
Open source (free) · Cloud via Replicate and others
GPT-4.1
Pros
- ✓Best coding performance in the GPT family
- ✓Strong instruction following for agentic use
- ✓Full OpenAI tool ecosystem
Cons
- ✗More expensive than Claude Sonnet at API level
- ✗Less creative than Claude for writing tasks
- ✗Context window smaller than Gemini Pro
Best For
Software development, agentic workflows, enterprise OpenAI integrations
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 GPT-4.1 if…
- →Performance is your top priority — GPT-4.1 leads by 1.1 points
- →Software development
- →You also value Reliability — GPT-4.1 wins that dimension too
Choose Wan 2.1 if…
- →Value is your top priority — Wan 2.1 leads by 1.8 points
- →Researchers
- →Alibaba support, documentation, and community suit your team
Frequently Asked Questions
Is GPT-4.1 better than Wan 2.1?
GPT-4.1 scores 8.9/10 overall vs 8.2/10 for Wan 2.1, with an edge on Performance and Reliability and Ease of Use. That said, "Wan 2.1" may be the better pick if value is your priority. The right choice depends on your use case.
What is the pricing difference between GPT-4.1 and Wan 2.1?
GPT-4.1: API: $2/M input · $8/M output · Plus $20/mo. 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 software development?
GPT-4.1 is generally stronger here, scoring 8.9/10 overall. OpenAI's latest flagship. Best coding performance in the GPT family. For more niche requirements like value, Wan 2.1 may be worth evaluating.
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