token.app › Compare › Grok Build 0.1 vs GPT-5.6 Luna
Grok Build 0.1 vs GPT-5.6 Luna
GPT-5.6 Luna is 5.6× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| Grok Build 0.1 | GPT-5.6 Luna | |
|---|---|---|
| Provider | xAI | OpenAI |
| Input $/1M | $1.00 | $0.100 |
| Output $/1M | $2.00 | $0.600 |
| Blended $/1M | $1.25 | $0.225 |
| Context window | 256K | 1.1M |
| Max output | — | 128K |
| Released | May 2026 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Grok Build 0.1 if…
- No clear advantage on the data we hold.
Choose GPT-5.6 Luna if…
- Costs less per token — $0.225 vs $1.25 blended
- Larger context window (1.1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Grok Build 0.1 or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Grok Build 0.1 and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Grok Build 0.1 cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.225 versus $1.25 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $0.100. Output alone: $2.00 vs $0.600.
What context windows do Grok Build 0.1 and GPT-5.6 Luna have?
Grok Build 0.1: 256,000 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Grok Build 0.1 and GPT-5.6 Luna?
Grok Build 0.1 is made by xAI. GPT-5.6 Luna is made by OpenAI.