token.app › Compare › Grok Build 0.1 vs Claude Opus 5
Grok Build 0.1 vs Claude Opus 5
Grok Build 0.1 is 8.0× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Grok Build 0.1 | Claude Opus 5 | |
|---|---|---|
| Provider | xAI | Anthropic |
| Input $/1M | $1.00 | $5.00 |
| Output $/1M | $2.00 | $25.00 |
| Blended $/1M | $1.25 | $10.00 |
| Context window | 256K | 1M |
| Max output | — | 128K |
| Released | May 2026 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Grok Build 0.1 if…
- Costs less per token — $1.25 vs $10.00 blended
Choose Claude Opus 5 if…
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Grok Build 0.1 or Claude Opus 5?
We do not hold independently-run benchmark scores covering both Grok Build 0.1 and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Grok Build 0.1 cheaper than Claude Opus 5?
Grok Build 0.1 is cheaper: $1.25 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $5.00. Output alone: $2.00 vs $25.00.
What context windows do Grok Build 0.1 and Claude Opus 5 have?
Grok Build 0.1: 256,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Grok Build 0.1 and Claude Opus 5?
Grok Build 0.1 is made by xAI. Claude Opus 5 is made by Anthropic.