MiniMax M3.1 Flash vs Gemini 3.8 Flash
MiniMax M3.1 Flash is from MiniMax. Gemini 3.8 Flash is from Google. MiniMax M3.1 Flash costs $0.600 per million output tokens. Gemini 3.8 Flash costs $4.13. A typical request, about 1,000 words in and 400 words out, costs $0.0005 on MiniMax M3.1 Flash and $0.0031 on Gemini 3.8 Flash.
Prices updated . Benchmarks updated .
| MiniMax M3.1 Flash | Gemini 3.8 Flash | |
|---|---|---|
| Lab | MiniMax | |
| You send / 1M | $0.150 | $0.825 |
| It replies / 1M | $0.600 | $4.13 |
| Context | 1.05M | 1.05M |
| Launched | 2026-10-19 | 2026-09-02 |
| Weights | Closed | Closed |
| Typical request | $0.0005 | $0.0031 |
| ECI | n/a | 157.6 |
| GPQA | n/a | 95.4% |
| ARC-AGI-2 | n/a | 89.2% |
| HLE | n/a | 44.5% |
| AIME | n/a | 98.9% |
| SimpleQA | n/a | 69.7% |
| CritPt | n/a | 18.3% |
| Arena | n/a | 1,498 |
| Arena web | 1,582 | 1,583 |
Which is cheaper?
MiniMax M3.1 Flash costs less to run: $0.600 per million output tokens, against $4.13 for Gemini 3.8 Flash. Input tokens are $0.150 per million for MiniMax M3.1 Flash and $0.825 per million for Gemini 3.8 Flash. A typical request, about 1,000 words in and 400 words out, costs $0.0005 on MiniMax M3.1 Flash and $0.0031 on Gemini 3.8 Flash.
Which scores higher?
Gemini 3.8 Flash scores higher on Arena web: 1,583 against 1,582 for MiniMax M3.1 Flash. The score is from the current independent dataset, not from the lab. Lab-reported scores are kept off this comparison. Context windows are 1.05M and 1.05M.
Verdict
Gemini 3.8 Flash scores higher on Arena web (1,583 vs 1,582). MiniMax M3.1 Flash costs less at $0.600 per million output tokens. Context is 1.05M for MiniMax M3.1 Flash and 1.05M for Gemini 3.8 Flash. Use the model pages for every score on file, including lab-reported numbers.
FAQ
Which is cheaper, MiniMax M3.1 Flash vs Gemini 3.8 Flash?
MiniMax M3.1 Flash costs less to run: $0.600 per million output tokens, against $4.13 for Gemini 3.8 Flash. Input tokens are $0.150 per million for MiniMax M3.1 Flash and $0.825 per million for Gemini 3.8 Flash. A typical request, about 1,000 words in and 400 words out, costs $0.0005 on MiniMax M3.1 Flash and $0.0031 on Gemini 3.8 Flash.
Which scores higher, MiniMax M3.1 Flash vs Gemini 3.8 Flash?
Gemini 3.8 Flash scores higher on Arena web: 1,583 against 1,582 for MiniMax M3.1 Flash. The score is from the current independent dataset, not from the lab. Lab-reported scores are kept off this comparison. Context windows are 1.05M and 1.05M.
What is the verdict for MiniMax M3.1 Flash vs Gemini 3.8 Flash?
Gemini 3.8 Flash scores higher on Arena web (1,583 vs 1,582). MiniMax M3.1 Flash costs less at $0.600 per million output tokens. Context is 1.05M for MiniMax M3.1 Flash and 1.05M for Gemini 3.8 Flash. Use the model pages for every score on file, including lab-reported numbers.
Open this pair in the comparison view
Sources and licenses
- OpenRouter: Prices, context windows, modalities and the model list come from the OpenRouter public API. Data: OpenRouter.
- Vercel AI Gateway: The no-training flag comes from the Vercel AI Gateway model list.
- models.dev: Lab launch dates, open-weights flags and knowledge cutoffs come from models.dev. Copyright (c) 2025 models.dev, MIT License.
- Epoch AI: Independent benchmark scores and the Epoch Capabilities Index (ECI) come from Epoch AI's Benchmarking Hub, used under CC BY 4.0. Epoch AI, Capabilities & benchmarking, epoch.ai/benchmarks. Scores Epoch marks as external keep their original license, and the source is named on each score.
- LMArena: Arena Elo (text, webdev and vision) comes from the LMArena leaderboard dataset (lmarena-ai/leaderboard-dataset), CC BY 4.0, leaderboard date 2026-10-28.
- Lab-reported scores, when an editor has added them, are the lab's own numbers. Each one links to the source and is labeled lab-reported. They are not used to rank the lists.
- What a score measures: the benchmark guide.