token.app › Compare › Claude Opus 5 vs Xing4.0 29B A4B (free)
Claude Opus 5 vs Xing4.0 29B A4B (free)
Xing4.0 29B A4B (free) is free to use, against $10.00 per million tokens. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Claude Opus 5 | Xing4.0 29B A4B (free) | |
|---|---|---|
| Provider | Anthropic | Xingchen agi |
| Input $/1M | $5.00 | Free |
| Output $/1M | $25.00 | Free |
| Blended $/1M | $10.00 | Free |
| Context window | 1M | 262K |
| Max output | 128K | 236K |
| Released | Jul 2026 | Oct 2026 |
| Licence | Proprietary | Open weights |
Choose Claude Opus 5 if…
- Larger context window (1M)
Choose Xing4.0 29B A4B (free) if…
- Costs less per token — Free vs $10.00 blended
- Open weights — self-hostable
- Newer model (released Oct 2026)
FAQ
Which is better, Claude Opus 5 or Xing4.0 29B A4B (free)?
We do not hold independently-run benchmark scores covering both Claude Opus 5 and Xing4.0 29B A4B (free), so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 5 cheaper than Xing4.0 29B A4B (free)?
Xing4.0 29B A4B (free) is cheaper: Free versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $5.00 vs Free. Output alone: $25.00 vs Free.
What context windows do Claude Opus 5 and Xing4.0 29B A4B (free) have?
Claude Opus 5: 1,000,000 tokens. Xing4.0 29B A4B (free): 262,144 tokens.
Who makes Claude Opus 5 and Xing4.0 29B A4B (free)?
Claude Opus 5 is made by Anthropic. Xing4.0 29B A4B (free) is made by Xingchen agi.