Dated comparison: 3 September 2026
| Metric | Gemini 3.8 Flash (high) | GPT-5.6 Luna (max) |
|---|---|---|
| Time per AA task | ~2.5 minutes | ~2.6 minutes |
| AA Intelligence Index | 59 | Comparable |
| Cost per AA task | $0.58 | Higher |
| Standard input / 1M | $0.75 | Higher |
| Standard output / 1M | $3.75 | Higher |
| Modalities | Text, image, audio, video, PDF in | Text in |
| Weights | Closed | Closed |
How to choose
Pick Gemini 3.8 Flash for the lower per-task cost at comparable time-per-task. Pick GPT-5.6 Luna if the family version is already in your stack and switching providers adds friction.
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These figures are transcribed from the 3 September 2026 research snapshot. Luna's per-token prices are approximate ranges reported by third-party aggregators.
Frequently asked questions
How current is this information?
This page uses the verified research snapshot dated 3 September 2026. Verify current access, pricing and benchmark figures before a production decision.
Put Gemini 3.8 Flash to work
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