Gemini 3.8 Flash vs GPT-6 Luna
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
Gemini 3.8 Flash
B
GPT-6 Luna
- ProviderGoogleOpenAI
- Rank#29#22Higher rank
- TierAA
- Score83.284.1Higher score
- PriceAPI $0.75 input / $3.75 output per 1M tokens through Dec 31, 2026 ($1.50 / $7.50 from Jan 1, 2027)API $0.10 input / $0.50 output per 1M tokens ($0.01 cached input)
- TaglineGoogle's fast Flash model tuned for complex agentic tasks at scale.OpenAI's low-cost GPT-6 tier for high-volume tasks such as extraction, summarization and routing, with a 1.05M-token context window.
| Attribute | Gemini 3.8 Flash | GPT-6 Luna |
|---|---|---|
| Provider | OpenAI | |
| Rank | #29 | #22Higher rank |
| Tier | A | A |
| Score | 83.2 | 84.1Higher score |
| Price | API $0.75 input / $3.75 output per 1M tokens through Dec 31, 2026 ($1.50 / $7.50 from Jan 1, 2027) | API $0.10 input / $0.50 output per 1M tokens ($0.01 cached input) |
| Tagline | Google's fast Flash model tuned for complex agentic tasks at scale. | OpenAI's low-cost GPT-6 tier for high-volume tasks such as extraction, summarization and routing, with a 1.05M-token context window. |