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Kimi K3 vs Gemma 4 31B

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
GoogleGemma 4 31B

Google's fourth-generation open dense model with native multimodal understanding.

262K ctx$0.12/$0.35 per M
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
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%Factual Recall—
Agentic
Terminal Tasks88.3%
GoogleGemma 4 31B
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall9.6%
Agentic
Terminal Tasks—
Specs
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
GoogleGemma 4 31B
262K
Context
128K
Max output
Apr 2026
Released
Capabilities
MoonshotAIKimi K3
Vision
Audio
Reasoning
GoogleGemma 4 31B
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
GoogleGemma 4 31B
Live pricing, shown before you run
Input$0.12/M tokens
Output$0.35/M tokens
Cache read$0.09/M tokens
Chat with Kimi K3Go to model
Chat with Gemma 4 31BGo to model
Frequently Asked Questions: Kimi K3 vs Gemma 4 31B▼

Which is better, Kimi K3 or Gemma 4 31B?

▼

Both Kimi K3 and Gemma 4 31B 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 Gemma 4 31B?

▼

Gemma 4 31B has a lower blended cost. Kimi K3: $3.00 input / $15.00 output. Gemma 4 31B: $0.12 input / $0.35 output.

Which has a larger context window, Kimi K3 or Gemma 4 31B?

▼

Kimi K3 has a larger context window: Kimi K3 supports 1M tokens vs Gemma 4 31B at 262K tokens.

Do both Kimi K3 and Gemma 4 31B support vision?

▼

Yes, both Kimi K3 and Gemma 4 31B support vision/image input.

What are the key differences between Kimi K3 and Gemma 4 31B?

▼

Key differences: Gemma 4 31B 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 Gemma 4 31B for free on idapt.app to see which performs better for your specific needs.

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