Gemini 3.7 Flash vs Kimi K3
Kimi K3 significantly outperforms across most benchmarks. Gemini 3.7 Flash is 4.0x cheaper per token.
Google · Moonshot AI · Updated for 2026
Which is better?
Gemini 3.7 Flash outperforms in 0 benchmarks, while Kimi K3 is better at 4 benchmarks (AutomationBench, CharXiv-R, DeepSWE 1.1, Terminal-Bench 2.1). Kimi K3 significantly outperforms across most benchmarks.
On price, Gemini 3.7 Flash is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Gemini 3.7 Flash
- cost matters — it's about 4.0x cheaper per token
- you want the most recent training data — it shipped Aug 2026
Choose Kimi K3
- you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3.7 Flash outperforms in 0 benchmarks, while Kimi K3 is better at 4 benchmarks (AutomationBench, CharXiv-R, DeepSWE 1.1, Terminal-Bench 2.1).
Kimi K3 significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.7 Flash ($0.75/1M tokens) is 4.0x cheaper than Kimi K3 ($3.00/1M tokens).
For output processing, Gemini 3.7 Flash ($3.75/1M tokens) is 4.0x cheaper than Kimi K3 ($15.00/1M tokens).
In conclusion, Kimi K3 is more expensive than Gemini 3.7 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Gemini 3.7 Flash is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 3.7 Flash and Kimi K3 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.7 Flash
Kimi K3
License
Usage and distribution terms
Gemini 3.7 Flash is licensed under a proprietary license, while Kimi K3 uses Kimi K3 License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Kimi K3 License
Open weights
Release Timeline
When each model was launched
Gemini 3.7 Flash was released on 2026-08-13, while Kimi K3 was released on 2026-07-16.
Gemini 3.7 Flash is 1 month newer than Kimi K3.
Aug 13, 2026
1 weeks ago
4w newerJul 16, 2026
1 months ago
Knowledge Cutoff
When training data ends
Gemini 3.7 Flash has a documented knowledge cutoff of 2026-03-31, while Kimi K3's cutoff date is not specified.
We can confirm Gemini 3.7 Flash's training data extends to 2026-03-31, but cannot make a direct comparison without Kimi K3's cutoff date.
Mar 2026
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Provider Availability
Gemini 3.7 Flash is available from Google. Kimi K3 is available from Fireworks, Moonshot AI, Novita, Together.
Gemini 3.7 Flash
Kimi K3
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3.7 Flash and Kimi K3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3.7 Flash vs Kimi K3.