Gemini 3.1 Pro vs Kimi K2 0905 Comparison

Comparing Gemini 3.1 Pro and Kimi K2 0905 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 3.1 Pro outperforms in 1 benchmarks (GPQA), while Kimi K2 0905 is better at 0 benchmarks.

Gemini 3.1 Pro significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Kimi K2 0905 costs less

For input processing, Gemini 3.1 Pro ($2.50/1M tokens) is 4.2x more expensive than Kimi K2 0905 ($0.60/1M tokens).

For output processing, Gemini 3.1 Pro ($15.00/1M tokens) is 6.0x more expensive than Kimi K2 0905 ($2.50/1M tokens).

In conclusion, Gemini 3.1 Pro is more expensive than Kimi K2 0905.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Gemini 3.1 Pro

Input tokens$2.50

Output tokens$15.00

Best providerGoogle

Kimi K2 0905

Input tokens$0.60

Output tokens$2.50

Best providerNovita

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Context Window

Maximum input and output token capacity

Gemini 3.1 Pro accepts 1,048,576 input tokens compared to Kimi K2 0905's 262,144 tokens. Kimi K2 0905 can generate longer responses up to 262,144 tokens, while Gemini 3.1 Pro is limited to 65,536 tokens.

Gemini 3.1 Pro

Input1,048,576 tokens

Output65,536 tokens

Kimi K2 0905

Input262,144 tokens

Output262,144 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3.1 Pro supports multimodal inputs, whereas Kimi K2 0905 does not.

Gemini 3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.1 Pro

Text

Images

Audio

Video

Kimi K2 0905

Text

Images

Audio

Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.1 Pro

Proprietary

Closed source

Kimi K2 0905

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Pro was released on 2026-02-19, while Kimi K2 0905 was released on 2025-09-05.

Gemini 3.1 Pro is 6 months newer than Kimi K2 0905.

Gemini 3.1 Pro

Feb 19, 2026

3 weeks ago

5mo newer

Kimi K2 0905

Sep 5, 2025

6 months ago

Knowledge Cutoff

When training data ends

Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Kimi K2 0905's cutoff date is not specified.

We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Kimi K2 0905's cutoff date.

Gemini 3.1 Pro

Jan 2025

Kimi K2 0905

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Provider Availability

Gemini 3.1 Pro is available from Google. Kimi K2 0905 is available from Novita. The availability of providers can affect quality of the model and reliability.