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Gemini 1.5 Pro vs Kimi K3.1 Pro

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 11.5. Kimi K3.1 Pro is 1.1x cheaper per token.

Google · Moonshot AI · Updated for 2026

Which is better?

Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to 11.5, ranking #5 overall.

In the 1 individual benchmarks reported for both models, Kimi K3.1 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Kimi K3.1 Pro is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Pro also accepts a larger context window (2,097,152 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 1.5 Pro

  • you process long inputs — it offers a 2,097,152 token context window

Choose Kimi K3.1 Pro

  • overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 1.1x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Gemini 1.5 Pro
Google
Kimi K3.1 Pro
Moonshot AI
Core performance indexes
LLM Stats Score
11.5
#290
55.5
#5
Reasoning
11.3
#285
54.3
#6
Coding
4.2
#239
42.7
#9
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$2.50 / M
$2.00 / M
Output price
$10.00 / M
$10.00 / M
Context window
2,097,152
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 1.5 Pro
Kimi K3.1 Pro
Math
16.8#214
38.6#26
Vision
9.2#152
40.5#4
Multimodal
13.2#120
40.8#2
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

23 reported for Gemini 1.5 Pro · 30 for Kimi K3.1 Pro

1 shared

Gemini 1.5 Pro outperforms in 0 benchmarks, while Kimi K3.1 Pro is better at 1 benchmark (GPQA).

Kimi K3.1 Pro significantly outperforms across most benchmarks.

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Kimi K3.1 Pro costs less

For input processing, Gemini 1.5 Pro ($2.50/1M tokens) is 1.3x more expensive than Kimi K3.1 Pro ($2.00/1M tokens).

For output processing, Gemini 1.5 Pro ($10.00/1M tokens) costs the same as Kimi K3.1 Pro ($10.00/1M tokens).

In conclusion, Gemini 1.5 Pro is more expensive than Kimi K3.1 Pro.*

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

Lowest available price from all providers
Fri Oct 30 2026 • llm-stats.com
Google
Gemini 1.5 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
Moonshot AI
Kimi K3.1 Pro
Input tokens$2.00
Output tokens$10.00
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 1.5 Pro accepts 2,097,152 input tokens compared to Kimi K3.1 Pro's 1,048,576 tokens. Kimi K3.1 Pro can generate longer responses up to 1,048,576 tokens, while Gemini 1.5 Pro is limited to 8,192 tokens.

Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 1.5 Pro and Kimi K3.1 Pro support multimodal inputs.

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

Gemini 1.5 Pro

Text
Images
Audio
Video

Kimi K3.1 Pro

Text
Images
Audio
Video

Release Timeline

When each model was launched

Gemini 1.5 Pro was released on 2024-05-01, while Kimi K3.1 Pro was released on 2026-10-23.

Kimi K3.1 Pro is 30 months newer than Gemini 1.5 Pro.

Gemini 1.5 Pro

May 1, 2024

2.5 years ago

Kimi K3.1 Pro

Oct 23, 2026

1 weeks ago

2.5yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Pro has a documented knowledge cutoff of 2023-11-01, while Kimi K3.1 Pro's cutoff date is not specified.

We can confirm Gemini 1.5 Pro's training data extends to 2023-11-01, but cannot make a direct comparison without Kimi K3.1 Pro's cutoff date.

Gemini 1.5 Pro

Nov 2023

Kimi K3.1 Pro

—

Provider Availability

Gemini 1.5 Pro is available from Google. Kimi K3.1 Pro is available from Moonshot AI.

Gemini 1.5 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

Kimi K3.1 Pro

moonshot logo
Unknown Organization
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 1.5 Pro and Kimi K3.1 Pro side-by-side, then vote on the output you prefer.

Gemini 1.5 Pro
✓ Preferred
Kimi K3.1 Pro
Open in Playground

FAQ

Common questions about Gemini 1.5 Pro vs Kimi K3.1 Pro.

Which is better, Gemini 1.5 Pro or Kimi K3.1 Pro?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 11.5. Gemini 1.5 Pro is made by Google and Kimi K3.1 Pro is made by Moonshot AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 1.5 Pro compare to Kimi K3.1 Pro in benchmarks?

Gemini 1.5 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%. Kimi K3.1 Pro scores BabyVision: 95.4%, GPQA: 94.2%, BenchCAD (with Python tool): 92.7%, BrowseComp: 92.1%, Chartography: 90.2%.

Is Gemini 1.5 Pro cheaper than Kimi K3.1 Pro?

Kimi K3.1 Pro is 1.3x cheaper for input tokens. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google. Kimi K3.1 Pro costs $2.00/M input and $10.00/M output via moonshot.

What are the context window sizes for Gemini 1.5 Pro and Kimi K3.1 Pro?

Gemini 1.5 Pro supports 2.1M tokens and Kimi K3.1 Pro supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 1.5 Pro and Kimi K3.1 Pro?

Key differences include LLM Stats Score (11.5 vs 55.5), context window (2.1M vs 1.0M), input pricing ($2.50 vs $2.00/M), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Pro and Kimi K3.1 Pro?

Gemini 1.5 Pro is developed by Google and Kimi K3.1 Pro is developed by Moonshot AI.

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