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Gemini 2.0 Flash Thinking vs Kimi K2.8 Preview

Comparing Gemini 2.0 Flash Thinking and Kimi K2.8 Preview across benchmarks, pricing, and capabilities.

Google · Moonshot AI · Updated for 2026

Which is better?

Gemini 2.0 Flash Thinking 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 2.0 Flash Thinking

  • you are already invested in the Google ecosystem

Choose Kimi K2.8 Preview

  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Benchmark wins
Input price
— / M
— / M
Output price
— / M
— / M
Context window
1,048,576

Individual benchmarks

3 reported for Gemini 2.0 Flash Thinking · 0 for Kimi K2.8 Preview

No common benchmarks found

Gemini 2.0 Flash Thinking 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

Only Kimi K2.8 Preview specifies input context (1,048,576 tokens).

Google
Gemini 2.0 Flash Thinking
Input- tokens
Output- tokens
Moonshot AI
Kimi K2.8 Preview
Input1,048,576 tokens
Output- tokens
Mon Sep 14 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 2.0 Flash Thinking and Kimi K2.8 Preview support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 2.0 Flash Thinking

Text
Images
Audio
Video

Kimi K2.8 Preview

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 2.0 Flash Thinking

Proprietary

Closed source

Kimi K2.8 Preview

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash Thinking was released on 2025-01-21, while Kimi K2.8 Preview was released on 2026-09-11.

Kimi K2.8 Preview is 20 months newer than Gemini 2.0 Flash Thinking.

Gemini 2.0 Flash Thinking

Jan 21, 2025

1.6 years ago

Kimi K2.8 Preview

Sep 11, 2026

3 days ago

1.6yr newer

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash Thinking has a documented knowledge cutoff of 2024-08-01, while Kimi K2.8 Preview's cutoff date is not specified.

We can confirm Gemini 2.0 Flash Thinking's training data extends to 2024-08-01, but cannot make a direct comparison without Kimi K2.8 Preview's cutoff date.

Gemini 2.0 Flash Thinking

Aug 2024

Kimi K2.8 Preview

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash Thinking and Kimi K2.8 Preview side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash Thinking
✓ Preferred
Kimi K2.8 Preview
Open in Playground

FAQ

Common questions about Gemini 2.0 Flash Thinking vs Kimi K2.8 Preview.

Which is better, Gemini 2.0 Flash Thinking or Kimi K2.8 Preview?

Gemini 2.0 Flash Thinking (Google) and Kimi K2.8 Preview (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 2.0 Flash Thinking compare to Kimi K2.8 Preview in benchmarks?

Gemini 2.0 Flash Thinking scores MMMU: 75.4%, GPQA: 74.2%, AIME 2024: 73.3%.

What are the context window sizes for Gemini 2.0 Flash Thinking and Kimi K2.8 Preview?

Gemini 2.0 Flash Thinking supports an unknown number of tokens and Kimi K2.8 Preview supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 2.0 Flash Thinking and Kimi K2.8 Preview?

Gemini 2.0 Flash Thinking is developed by Google and Kimi K2.8 Preview is developed by Moonshot AI.