Model Comparison

Gemini 2.5 Pro
vs. Kimi K2.5 (Reasoning)

Comparing 2 AI models · 12 benchmarks · Google, MoonshotAI

Recommended Pick

MoonshotAI logo Kimi K2.5 (Reasoning) 13 metric wins

Strongest on: Value, Input price, Output price

Best Value

MoonshotAI logo

Kimi K2.5 (Reasoning)

100.0 value score

54.7 reasoning / $1.19/1M

Lowest Price

MoonshotAI logo

Kimi K2.5 (Reasoning)

$0.58/1M input price

Best Reasoning

Google logo

Gemini 2.5 Pro

71.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

MoonshotAI logo

Kimi K2.5 (Reasoning)

39.6 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

Kimi K2.5 (Reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Kimi K2.5 (Reasoning) is 2.2x cheaper on input tokens than Gemini 2.5 Pro.

Speed gap

Gemini 2.5 Pro generates about 3.0x as many tokens per second as Kimi K2.5 (Reasoning).

Reasoning gap

Gemini 2.5 Pro leads Kimi K2.5 (Reasoning) by 16.9 points on reasoning.

Coding gap

Kimi K2.5 (Reasoning) leads Gemini 2.5 Pro by 7.6 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 2.5 Pro

Google

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
MoonshotAI logo

Kimi K2.5 (Reasoning)

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
Google logo Gemini 2.5 Pro
Google
Top Pick
MoonshotAI logo Kimi K2.5 (Reasoning)
MoonshotAI
Pricing per 1M tokens
Input Cost $1.25/1M$0.58/1M
Output Cost $10.00/1M$3.00/1M
Blended (3:1) $3.44/1M$1.19/1M
Specifications
Organization GoogleMoonshotAI
Release Date Jun 5, 2025Jan 27, 2026
Performance & Speed
Throughput 132.3 tok/s44.7 tok/s
TTFT 22150ms1234ms
Latency 22150ms67568ms
Composite Indices
Value Score 45.1100.0
Reasoning Score 71.654.7
Intelligence 34.646.8
Coding 32.039.6
Math 87.7
Standard Benchmarks
GPQA 84.4%87.9%
MMLU Pro 86.2%
HLE 21.1%29.4%
LiveCodeBench 80.1%
MATH 500 96.7%
AIME 2025 87.7%
AIME (Original) 88.7%
SciCode 42.8%49.0%
LCR 66.0%65.3%
IFBench 48.7%70.2%
TAU-bench v2 54.1%95.9%
TerminalBench Hard 26.5%34.8%

Key Takeaways

Kimi K2.5 (Reasoning) offers the best value at $0.58/1M, making it ideal for high-volume applications and cost-conscious projects.

Gemini 2.5 Pro has the strongest reasoning profile with a 71.6 reasoning score, combining the available reasoning-heavy benchmarks.

Kimi K2.5 (Reasoning) reaches a 39.6 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 2.5 Pro

  • Complex reasoning tasks
  • Research & analysis
MoonshotAI logo

Kimi K2.5 (Reasoning)

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