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Kimi K3 vs Gemini 3.1 Flash Lite

At a glance
MoonshotAIKimi K3

MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.

1.0M ctx$3.00/$15.00 per M
GoogleGemini 3.1 Flash Lite

Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.

771.0M ctx$0.25/$1.50 per M#37/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
MoonshotAIKimi K3
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Capability
Capability—
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%
Agentic
Terminal Tasks88.3%
GoogleGemini 3.1 Flash Lite
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI76.7
Reasoning & Knowledge
Graduate Science—Expert-Level8.6%
Agentic
Terminal Tasks—
Specs
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
GoogleGemini 3.1 Flash Lite
1.0M
Context
66K
Max output
Mar 2026
Released
Capabilities
MoonshotAIKimi K3
Vision
Audio
Reasoning
GoogleGemini 3.1 Flash Lite
Vision
Audio
Reasoning
Pricing
MoonshotAIKimi K3
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
GoogleGemini 3.1 Flash Lite
Live pricing, shown before you run
Input$0.25/M tokens
Output$1.50/M tokens
Reasoning$1.50/M tokens
Cache read$0.02/M tokens
Cache write$0.08/M tokens
Image input$0.25/M tokens
Audio input$0.50/M tokens
Web search$0.01/search
Chat with Kimi K3Go to model
Chat with Gemini 3.1 Flash LiteGo to model
Frequently Asked Questions: Kimi K3 vs Gemini 3.1 Flash Lite▼

Which is better, Kimi K3 or Gemini 3.1 Flash Lite?

▼

Both Kimi K3 and Gemini 3.1 Flash Lite are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Kimi K3 or Gemini 3.1 Flash Lite?

▼

Gemini 3.1 Flash Lite has a lower blended cost. Kimi K3: $3.00 input / $15.00 output. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output.

Which has a larger context window, Kimi K3 or Gemini 3.1 Flash Lite?

▼

Kimi K3 has a larger context window: Kimi K3 supports 1M tokens vs Gemini 3.1 Flash Lite at 1M tokens.

Do both Kimi K3 and Gemini 3.1 Flash Lite support vision?

▼

Yes, both Kimi K3 and Gemini 3.1 Flash Lite support vision/image input.

What are the key differences between Kimi K3 and Gemini 3.1 Flash Lite?

▼

Key differences: Gemini 3.1 Flash Lite is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Kimi K3 and Gemini 3.1 Flash Lite for free on idapt.app to see which performs better for your specific needs.

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