Model Comparison

Gemini 2.0 Flash vs Kimi K2 0905Which is better in 2026?

Kimi K2 0905 shows notably better performance in the majority of benchmarks. Gemini 2.0 Flash is 6.1x cheaper per token.

Verdict: Gemini 2.0 Flash vs Kimi K2 0905 — which is better?

Gemini 2.0 Flash (by Google) and Kimi K2 0905 (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemini 2.0 Flash outperforms in 1 benchmarks (MATH), while Kimi K2 0905 is better at 2 benchmarks (GPQA, MMLU-Pro). Kimi K2 0905 shows notably better performance in the majority of benchmarks.

On price, Gemini 2.0 Flash is roughly 6.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.0 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 2.0 Flash if…

  • cost matters — it's about 6.1x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

Choose Kimi K2 0905 if…

  • you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
  • you want the most recent training data — it shipped Sep 2025

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 2.0 Flash outperforms in 1 benchmarks (MATH), while Kimi K2 0905 is better at 2 benchmarks (GPQA, MMLU-Pro).

Kimi K2 0905 shows notably better performance in the majority of benchmarks.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.0 Flash costs less

For input processing, Gemini 2.0 Flash ($0.10/1M tokens) is 6.0x cheaper than Kimi K2 0905 ($0.60/1M tokens).

For output processing, Gemini 2.0 Flash ($0.40/1M tokens) is 6.3x cheaper than Kimi K2 0905 ($2.50/1M tokens).

In conclusion, Kimi K2 0905 is more expensive than Gemini 2.0 Flash.*

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

Lowest available price from all providers
Tue Jul 28 2026 • llm-stats.com
Google
Gemini 2.0 Flash
Input tokens$0.10
Output tokens$0.40
Best providerGoogle
Moonshot AI
Kimi K2 0905
Input tokens$0.60
Output tokens$2.50
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 2.0 Flash 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 2.0 Flash is limited to 8,192 tokens.

Google
Gemini 2.0 Flash
Input1,048,576 tokens
Output8,192 tokens
Moonshot AI
Kimi K2 0905
Input262,144 tokens
Output262,144 tokens
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.0 Flash supports multimodal inputs, whereas Kimi K2 0905 does not.

Gemini 2.0 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.0 Flash

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 2.0 Flash

Proprietary

Closed source

Kimi K2 0905

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash was released on 2024-12-01, while Kimi K2 0905 was released on 2025-09-05.

Kimi K2 0905 is 9 months newer than Gemini 2.0 Flash.

Gemini 2.0 Flash

Dec 1, 2024

1.7 years ago

Kimi K2 0905

Sep 5, 2025

10 months ago

9mo newer

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash has a documented knowledge cutoff of 2024-08-01, while Kimi K2 0905's cutoff date is not specified.

We can confirm Gemini 2.0 Flash's training data extends to 2024-08-01, but cannot make a direct comparison without Kimi K2 0905's cutoff date.

Gemini 2.0 Flash

Aug 2024

Kimi K2 0905

—

Provider Availability

Gemini 2.0 Flash is available from Google. Kimi K2 0905 is available from Novita.

Gemini 2.0 Flash

google logo
Google
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M

Kimi K2 0905

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $2.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher MATH score (89.7% vs 89.1%)
Moonshot AI
Higher GPQA score (75.8% vs 62.1%)
Higher MMLU-Pro score (82.5% vs 76.4%)
GoogleGemini 2.0 Flash
Moonshot AIKimi K2 0905
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash and Kimi K2 0905 side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash
✓ Preferred
Kimi K2 0905
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 2.0 Flash
Moonshot AI
Kimi K2 0905

FAQ

Common questions about Gemini 2.0 Flash vs Kimi K2 0905.

Which is better, Gemini 2.0 Flash or Kimi K2 0905?

Kimi K2 0905 shows notably better performance in the majority of benchmarks. Gemini 2.0 Flash is made by Google and Kimi K2 0905 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 2.0 Flash compare to Kimi K2 0905 in benchmarks?

Gemini 2.0 Flash scores Natural2Code: 92.9%, MATH: 89.7%, FACTS Grounding: 83.6%, MMLU-Pro: 76.4%, EgoSchema: 71.5%. Kimi K2 0905 scores HumanEval: 94.5%, MMLU: 90.2%, MATH: 89.1%, MMLU-Pro: 82.5%, GPQA: 75.8%.

Is Gemini 2.0 Flash cheaper than Kimi K2 0905?

Gemini 2.0 Flash is 6.0x cheaper for input tokens. Gemini 2.0 Flash costs $0.10/M input and $0.40/M output via google. Kimi K2 0905 costs $0.60/M input and $2.50/M output via novita.

What are the context window sizes for Gemini 2.0 Flash and Kimi K2 0905?

Gemini 2.0 Flash supports 1.0M tokens and Kimi K2 0905 supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.0 Flash and Kimi K2 0905?

Key differences include context window (1.0M vs 262K), input pricing ($0.10 vs $0.60/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.0 Flash and Kimi K2 0905?

Gemini 2.0 Flash is developed by Google and Kimi K2 0905 is developed by Moonshot AI.

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