This model is deprecated. We only continue performance benchmarking for the default 10k input token workload. Results for other workloads are historical and no longer updated.

Kimi has launched a newer model, Kimi K2.5. We suggest considering it instead.

For more information, see comparison of Kimi K2.5 to other models and API provider benchmarks for Kimi K2.5.

Open weights model

Released November 2025

Kimi K2 Thinking API Provider Benchmarking & Analysis

Model Comparison

This analysis is intended to support you in choosing the best API provider of Kimi K2 Thinking for your use-case.

Fastest

#1
Google VertexGoogle Vertex
220.4 t/s
#2
AzureAzure
176.0 t/s
#3
AmazonAmazon
118.4 t/s
#4
NovitaNovita
39.9 t/s

Output speed

Total 4 providers

Lowest Latency

#1
Google VertexGoogle Vertex
9.84 s
#2
AzureAzure
13.33 s
#3
AmazonAmazon
18.31 s
#4
NovitaNovita
51.86 s

Time to first answer token

Total 4 providers

Lowest Price

#1
NovitaNovita
$0.79
#2
AmazonAmazon
$0.79
#3
AzureAzure
$0.79
#4
Google VertexGoogle Vertex
$0.79

Blended price (per 1M tokens)

Total 4 providers

Kimi K2 Thinking is available through 4 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.

  • For output speed, the top providers are Google Vertex (220.4 t/s), Azure (176.0 t/s), and Amazon (118.4 t/s). Speed varies significantly across providers, with a 452% difference between the fastest and slowest.
  • For latency, Google Vertex (9.84s), Azure (13.33s), and Amazon (18.31s) offer the lowest time to first answer token.
  • For pricing, Novita (0.79), Amazon (0.79), and Azure (0.79) offer the lowest blended prices per 1M tokens.
  • Google Vertex offers the best performance with both the highest speed and lowest latency. For cost optimization, Novita provides the most competitive pricing.

Highlights

Output tokens per second · Higher is better
Seconds · Lower is better
USD per 1M tokens (blended) · Lower is better

Pricing

Pricing: Cache Hit, Input, and Output

Price (USD per M Tokens) · Lower is better · 10,000 input tokens

Pricing: Blended Price

Blended at 7:2:1 (cache-input-output) · USD per 1M tokens (blended) · Lower is better

Output Speed vs. Price

Blended at 7:2:1 (cache-input-output) · Output speed: output tokens per second · USD per 1M tokens (blended)
Most attractive quadrant

Speed

Measured by Output Speed (tokens per second)

Output Speed: Kimi K2 Thinking

Output speed: output tokens per second · 10,000 input tokens

Latency vs. Output Speed

Latency: seconds to first token received · Output speed: output tokens per second · 10,000 input tokens
Most attractive quadrant

Latency

Measured by Time (seconds) to First Token

Time to First Answer Token

Seconds to first token received · Lower is better · 10,000 input tokens

End-to-End Response Time

Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed

End-to-End Response Time

Seconds to output 500 tokens, including reasoning model 'thinking' time · Lower is better · 10,000 input tokens

Key Comparison Metrics & API Features

Novita logoNovita
262k
Open
--
40
1.97
64.50
50.03
Amazon Bedrock logoAmazon Bedrock
256k
Open
--
119
1.41
22.35
16.76
Microsoft Azure logoMicrosoft Azure
256k
Open
--
127
1.58
21.19
15.69
Google logoGoogle
262k
Open
--
182
0.76
14.53
11.02

Frequently Asked Questions

Common questions about Kimi K2 Thinking providers