Model Comparison

Gemini 3.1 Flash-Lite
vs. Kimi K2

Comparing 2 AI models · 12 benchmarks · Google, MoonshotAI

Recommended Pick

Google logo Gemini 3.1 Flash-Lite 13 metric wins

Strongest on: Value, Input price, Output price

Best Value

Google logo

Gemini 3.1 Flash-Lite

100.0 value score

44.0 reasoning / $0.56/1M

Lowest Price

Google logo

Gemini 3.1 Flash-Lite

$0.25/1M input price

Best Reasoning

MoonshotAI logo

Kimi K2

55.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

Google logo

Gemini 3.1 Flash-Lite

30.1 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Gemini 3.1 Flash-Lite has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Gemini 3.1 Flash-Lite is 2.3x cheaper on input tokens than Kimi K2.

Speed gap

Gemini 3.1 Flash-Lite generates about 13x as many tokens per second as Kimi K2.

Reasoning gap

Kimi K2 leads Gemini 3.1 Flash-Lite by 11.8 points on reasoning.

Coding gap

Gemini 3.1 Flash-Lite leads Kimi K2 by 8.0 points on coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

Google logo

Gemini 3.1 Flash-Lite

Google

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
MoonshotAI logo

Kimi K2

MoonshotAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
Top Pick
Google logo Gemini 3.1 Flash-Lite
Google
MoonshotAI logo Kimi K2
MoonshotAI
Pricing per 1M tokens
Input Cost $0.25/1M$0.58/1M
Output Cost $1.50/1M$2.40/1M
Blended (3:1) $0.56/1M$1.04/1M
Specifications
Organization GoogleMoonshotAI
Release Date Mar 3, 2026Jul 11, 2025
Performance & Speed
Throughput 317.8 tok/s24.4 tok/s
TTFT 5261ms1537ms
Latency 5261ms1537ms
Composite Indices
Value Score 100.068.7
Reasoning Score 44.055.8
Intelligence 33.526.3
Coding 30.122.1
Math 57.0
Standard Benchmarks
GPQA 82.2%76.6%
MMLU Pro 82.4%
HLE 16.2%7.0%
LiveCodeBench 55.6%
MATH 500 97.1%
AIME 2025 57.0%
AIME (Original) 69.3%
SciCode 41.9%34.5%
LCR 65.3%51.0%
IFBench 77.2%41.5%
TAU-bench v2 31.3%61.1%
TerminalBench Hard 24.2%15.9%

Key Takeaways

Gemini 3.1 Flash-Lite offers the best value at $0.25/1M, making it ideal for high-volume applications and cost-conscious projects.

Kimi K2 has the strongest reasoning profile with a 55.8 reasoning score, combining the available reasoning-heavy benchmarks.

Gemini 3.1 Flash-Lite reaches a 30.1 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Google logo

Gemini 3.1 Flash-Lite

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development
MoonshotAI logo

Kimi K2

  • Complex reasoning tasks
  • Research & analysis