Gemini 3.7 Flash vs Kimi K3
API pricing, context window and capabilities for Gemini 3.7 Flash and Kimi K3, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGemini 3.7 Flash wins on Terminal-Bench. Kimi K3 wins on intelligence.
Price
Tied
Terminal-Bench
Gemini 3.7 Flash
Intelligence
Kimi K3
Context window
Tied
Key takeaways
who wins on what, from the published numbersGemini 3.7 Flash wins
- Cheaper output ($3.75 vs $12.50 /1M)
- Supports audio
- Has web search
Kimi K3 wins
- Cheaper input ($0.75 vs $0.70 /1M)
- Higher max output (66K vs 1M)
- More serving providers (7 vs 14)
Cheaper overall
Gemini 3.7 Flash
$0.75 + $3.75 /1M
Larger context
Tied
More providers
Kimi K3
14 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Gemini 3.7 Flash | Kimi K3 | |
|---|---|---|
| Input $/1M | $0.75via Google | $0.70OpenRouter routed quote best |
| Output $/1M | $3.75via Google best | $12.50via Sail |
| Context window | 1M | 1M |
| Max output | 66K | 1M best |
| Serving providers | 7 | 14 best |
| Date | Released Aug 14, 2026 | Released Jul 16, 2026 |
Benchmarks
Benchmark scores, side by side| Gemini 3.7 Flash | Kimi K3 | |
|---|---|---|
| Intelligence | 39.1 | 43.6 best |
| Terminal-Bench | 86% best | 85% |
| GPQA Diamond | 95% best | 94% |
| Output speed | 318 t/s best | 45 t/s |
| Latency (TTFT) | 8.87s | 3.17s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Gemini 3.7 Flash
via Vertex AI Language Models
$7.50
Kimi K3
via OpenRouter
$19
Capabilities
feature support, side by side| Feature | Gemini 3.7 Flash | Kimi K3 |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | ✓ | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Gemini 3.7 Flash or Kimi K3?
Kimi K3 is cheaper for input ($0.75 vs $0.70 per 1M tokens) as an OpenRouter routed quote, while Moonshot lists it at $3.00 per 1M input. Gemini 3.7 Flash is cheaper for output ($3.75 vs $12.50 per 1M tokens) from Google.
What is the context window difference between Gemini 3.7 Flash and Kimi K3?
Both Gemini 3.7 Flash and Kimi K3 have about a 1M-token context window.
How do Gemini 3.7 Flash and Kimi K3 compare on benchmarks?
On the tracked benchmarks, Gemini 3.7 Flash leads on Terminal-Bench, and Kimi K3 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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