GPT-6 Astra vs GPT-6 Luna
GPT-6 Luna is cheaper: 100x less on input and 100x less on output.
Side by Side
| GPT-6 Astra | GPT-6 Luna | |
|---|---|---|
| Input /1M | $10.0 | $0.1 |
| Output /1M | $50.0 | $0.5 |
| Cache /1M | $1.0 | $0.01 |
| Batch in/out | $5.0/$25.0 | $0.05/$0.25 |
| Context | — | — |
| Tiers | long ctx: $20 in / $75 out | long ctx: $0.20 in / $0.75 out |
Workload Cost Calculator
GPT-6 Astra:
GPT-6 Luna:
Difference:
Frequently Asked Questions
How much cheaper is GPT-6 Luna than Astra?
100x on input ($0.10 vs $10 per 1M) and 100x on output ($0.50 vs $50).
When should I pay for Astra over Luna?
Astra for hard reasoning and long-horizon agents; Luna for high-volume simple tasks.