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Kimi K2 (0905) vs Gemma 4 31B

At a glance

September 2025 checkpoint of Kimi K2 with improved capabilities.

262K ctx$0.60/$2.50 per M

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

262K ctx$0.12/$0.37 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning & Knowledge
Factual Recall—
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper83%
Reasoning & Knowledge
Factual Recall9.6%
Specs
262K
Context
100K
Max output
Sep 2025
Released
262K
Context
16K
Max output
Apr 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.60/M tokens
Output$2.50/M tokens
Live pricing, shown before you run
Input80%$0.12/M tokens
Output85%$0.37/M tokens
Chat with Kimi K2 (0905)Go to model
Chat with Gemma 4 31BGo to model
Frequently Asked Questions: Kimi K2 (0905) vs Gemma 4 31B▼

Which is better, Kimi K2 (0905) or Gemma 4 31B?

▼

Both Kimi K2 (0905) 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 K2 (0905) or Gemma 4 31B?

▼

Gemma 4 31B has a lower blended cost. Kimi K2 (0905): $0.60 input / $2.50 output. Gemma 4 31B: $0.12 input / $0.37 output.

Which has a larger context window, Kimi K2 (0905) or Gemma 4 31B?

▼

Kimi K2 (0905) has a larger context window: Kimi K2 (0905) supports 262K tokens vs Gemma 4 31B at 262K tokens.

Do both Kimi K2 (0905) and Gemma 4 31B support vision?

▼

Gemma 4 31B supports vision/image input, but Kimi K2 (0905) does not.

What are the key differences between Kimi K2 (0905) and Gemma 4 31B?

▼

Key differences: Gemma 4 31B is significantly cheaper; only Gemma 4 31B supports vision input; only Gemma 4 31B offers extended reasoning mode. 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 K2 (0905) and Gemma 4 31B for free on idapt.app to see which performs better for your specific needs.

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