Gemini 3.7 Flash free version: fFree model resources are limited and provided only for trial use; stability cannot be guaranteed, and you may encounter 429 errors during use. If you need to use it in a production environment and require unlimited concurrency with absolute stability, please choose the official version: gemini-3.7-flash
gemini-3.7-flash-free vs kimi-k3
Context lengths are 1,000,000 tokens on gemini-3.7-flash-free and 1,048,576 tokens on kimi-k3. Time to first token (TTFT) measured on AIHubMix is 2.9s on gemini-3.7-flash-free and 2.8s on kimi-k3. Measured output throughput is 81.6 tok/s on gemini-3.7-flash-free and 29.5 tok/s on kimi-k3.
Kimi K3 is Kimi’s flagship model for long-horizon coding and end-to-end knowledge work, with a 1M-token context window and industry-leading intelligence.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which responds faster?
kimi-k3: 2.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
How large is each context window?
gemini-3.7-flash-free accepts 1,000,000 and kimi-k3 accepts 1,048,576 input tokens. Maximum output per request is 64,000 tokens on gemini-3.7-flash-free and 1,048,576 tokens on kimi-k3.
Which one generates tokens faster?
gemini-3.7-flash-free at 81.6 tok/s and kimi-k3 at 29.5 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
What inputs and capabilities does each model support?
gemini-3.7-flash-free accepts text, image, audio and video input and supports thinking, tool calling, function calling, structured outputs, web search and long context; kimi-k3 accepts text, image and video input and supports thinking, function calling and structured outputs.
Can I call gemini-3.7-flash-free and kimi-k3 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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