Gemini 3 Pro vs Kimi K2.8 Preview
Comparing Gemini 3 Pro and Kimi K2.8 Preview across benchmarks, pricing, and capabilities.
Google · Moonshot AI · Updated for 2026
Which is better?
Gemini 3 Pro and Kimi K2.8 Preview trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 3 Pro
- you want predictable pricing at $2.00/M input and $12.00/M output
Choose Kimi K2.8 Preview
- you want the most recent training data — it shipped Sep 2026
At a glance
The differences that matter most.
Individual benchmarks
21 reported for Gemini 3 Pro · 0 for Kimi K2.8 Preview
Gemini 3 Pro and Kimi K2.8 Previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Only Gemini 3 Pro specifies output context (65,536 tokens).
Input capabilities
Documented input modalities across available providers
Both Gemini 3 Pro and Kimi K2.8 Preview support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3 Pro
Kimi K2.8 Preview
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 3 Pro was released on 2025-11-18, while Kimi K2.8 Preview was released on 2026-09-11.
Kimi K2.8 Preview is 10 months newer than Gemini 3 Pro.
Nov 18, 2025
10 months ago
Sep 11, 2026
3 days ago
9mo newerKnowledge Cutoff
When training data ends
Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Kimi K2.8 Preview's cutoff date is not specified.
We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Kimi K2.8 Preview's cutoff date.
Jan 2025
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Provider Availability
Gemini 3 Pro is available from Google. Kimi K2.8 Preview is available from Moonshot AI.
Gemini 3 Pro
Kimi K2.8 Preview
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3 Pro and Kimi K2.8 Preview side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3 Pro vs Kimi K2.8 Preview.