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Gemini 2.5 Flash vs Kimi K3

At a glance
GoogleGemini 2.5 Flash

Fast workhorse model with built-in thinking and audio support.

731.0M ctx$0.30/$2.50 per M#50/92
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
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 2.5 Flash
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI72.9
Reasoning & Knowledge
Graduate Science—Expert-Level—
Math
Research Math4.8%
Agentic
Terminal Tasks17.1%
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%
Math
Research Math—
Agentic
Terminal Tasks88.3%
Specs
GoogleGemini 2.5 Flash
1.0M
Context
66K
Max output
Jun 2025
Released
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
GoogleGemini 2.5 Flash
Vision
Audio
Reasoning
MoonshotAIKimi K3
Vision
Audio
Reasoning
Pricing
GoogleGemini 2.5 Flash
Live pricing, shown before you run
Input$0.30/M tokens
Output$2.50/M tokens
Reasoning$2.50/M tokens
Cache read$0.03/M tokens
Cache write$0.08/M tokens
Image input$0.30/M tokens
Audio input$1.00/M tokens
Web search$0.01/search
MoonshotAIKimi K3
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Chat with Gemini 2.5 FlashGo to model
Chat with Kimi K3Go to model
Frequently Asked Questions: Gemini 2.5 Flash vs Kimi K3▼

Which is better, Gemini 2.5 Flash or Kimi K3?

▼

Both Gemini 2.5 Flash and Kimi K3 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, Gemini 2.5 Flash or Kimi K3?

▼

Gemini 2.5 Flash has a lower blended cost. Gemini 2.5 Flash: $0.30 input / $2.50 output. Kimi K3: $3.00 input / $15.00 output.

Which has a larger context window, Gemini 2.5 Flash or Kimi K3?

▼

Gemini 2.5 Flash has a larger context window: Gemini 2.5 Flash supports 1M tokens vs Kimi K3 at 1M tokens.

Do both Gemini 2.5 Flash and Kimi K3 support vision?

▼

Yes, both Gemini 2.5 Flash and Kimi K3 support vision/image input.

What are the key differences between Gemini 2.5 Flash and Kimi K3?

▼

Key differences: Gemini 2.5 Flash 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 Gemini 2.5 Flash and Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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