GPT-6 Luna vs GPT-5.6 Luna
A side-by-side comparison of GPT-6 Luna and GPT-5.6 Luna — intelligence, context, capabilities, and price.
| Spec | ||
|---|---|---|
| Context window | 1.1M | 1.1M |
| Streaming | ||
| Reasoning | ||
| Tool use | ||
| Web search | ||
| Vision (image input) | ||
| Document input | ||
| Video | ||
| Audio |
GPT-6 Luna pricing
- Up to 272K prompt tokens · Input$0.115 / 1M tokens
- Up to 272K prompt tokens · Cached input$0.0115 / 1M tokens
- Up to 272K prompt tokens · Cache write$0.1438 / 1M tokens
- Up to 272K prompt tokens · Output$0.575 / 1M tokens
- Over 272K prompt tokens · Input$0.23 / 1M tokens
- Over 272K prompt tokens · Cached input$0.023 / 1M tokens
- Over 272K prompt tokens · Cache write$0.2875 / 1M tokens
- Over 272K prompt tokens · Output$0.8625 / 1M tokens
- Web search (when used)$11.5 / 1,000 calls
List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.
View GPT-6 Lunadetails →GPT-5.6 Luna pricing
- Input$0.23 / 1M tokens
- Cached input$0.023 / 1M tokens
- Cache write$0.2875 / 1M tokens
- Output$1.38 / 1M tokens
- Web search (when used)$11.5 / 1,000 calls
List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.
View GPT-5.6 Lunadetails →GPT-6 Luna vs GPT-5.6 Luna: FAQ
- Is GPT-6 Luna better than GPT-5.6 Luna?
- OpenAI's cheapest GPT-6 tier for high-volume tasks. $0.10/$0.50 per million tokens with a 1.05M-token context window. Vendor-reported DeepSWE 66.6% at max effort. Fastest, most affordable GPT-5.6 tier — outperforms Claude Opus 4.8 on the Coding Agent Index at roughly a quarter of the cost. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
- Which is cheaper, GPT-6 Luna or GPT-5.6 Luna?
- See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.