token.app › Compare › o3 Pro vs Xing4.0 29B A4B (free)
o3 Pro vs Xing4.0 29B A4B (free)
Xing4.0 29B A4B (free) is free to use, against $35.00 per million tokens. Xing4.0 29B A4B (free) accepts the larger context window (262K).
Head to head
Blended price uses a 3:1 input:output mix
| o3 Pro | Xing4.0 29B A4B (free) | |
|---|---|---|
| Provider | OpenAI | Xingchen agi |
| Input $/1M | $20.00 | Free |
| Output $/1M | $80.00 | Free |
| Blended $/1M | $35.00 | Free |
| Context window | 200K | 262K |
| Max output | 100K | 236K |
| Released | Jun 2025 | Oct 2026 |
| Licence | Proprietary | Open weights |
Choose o3 Pro if…
- No clear advantage on the data we hold.
Choose Xing4.0 29B A4B (free) if…
- Costs less per token — Free vs $35.00 blended
- Larger context window (262K)
- Open weights — self-hostable
- Newer model (released Oct 2026)
FAQ
Which is better, o3 Pro or Xing4.0 29B A4B (free)?
We do not hold independently-run benchmark scores covering both o3 Pro and Xing4.0 29B A4B (free), so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 Pro cheaper than Xing4.0 29B A4B (free)?
Xing4.0 29B A4B (free) is cheaper: Free versus $35.00 per million tokens blended at 3:1 input:output. Input alone: $20.00 vs Free. Output alone: $80.00 vs Free.
What context windows do o3 Pro and Xing4.0 29B A4B (free) have?
o3 Pro: 200,000 tokens. Xing4.0 29B A4B (free): 262,144 tokens.
Who makes o3 Pro and Xing4.0 29B A4B (free)?
o3 Pro is made by OpenAI. Xing4.0 29B A4B (free) is made by Xingchen agi.