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KimiReleased November 6, 2025

Kimi K2 Thinking

Kimi · Released November 6, 2025

Intelligence score

33

At a glance

Intelligence
33
Speed
160.2tokens/sec
Latency
1.26stime to first token
Input price
$0.60per 1M tokens
Output price
$2.50per 1M tokens
Context window
260Ktokens
Parameters
32billions

Summary

Comparison summary

Kimi K2 Thinking scores 33 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other open weight models of similar size (median: 25). Kimi K2 Thinking generates output at 160.2 tokens per second (based on the median across providers serving the model), which is well above average compared to other open weight models of similar size (median: 61.7 t/s). Kimi K2 Thinking costs $0.60 per 1M input tokens (somewhat higher than average, median: $0.59) and $2.50 per 1M output tokens (somewhat higher than average, median: $2.20), based on the median across providers serving the model.

Specifications

Technical specifications

Model nameKimi K2 Thinking
ProviderKimi
Release dateNovember 6, 2025
Intelligence score33
Speed160.2 tokens/sec
Latency (TTFT)1.26s
Input price$0.60 / 1M tokens
Output price$2.50 / 1M tokens
Context window260,000 tokens
Parameters32B
ReasoningYes
Input modalitiestext
Output modalities—
Open weightsYes
LicenseModified MIT License
API availability—
SourceModel Intelligence legacy profile: kimi-k2-thinking

Pricing

Token prices

Price per 1M tokens

Kimi K2 Thinking, as listed in the catalog record

Input $0.60 and output $2.50 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$0.60
  2. Output$2.50

Model Intelligence legacy profile: kimi-k2-thinking

FAQ · 20

Frequently asked questions

Kimi K2 Thinking was released on November 6, 2025.

Kimi K2 Thinking was created by Kimi.

Kimi K2 Thinking scores 33 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other open weight models of similar size (median: 25).

Kimi K2 Thinking generates output at 160.2 tokens per second (based on the median across providers serving the model), which is well above average compared to other open weight models of similar size (median: 61.7 t/s).

Kimi K2 Thinking has a time to first token (TTFT) of 1.26s (based on the median across providers serving the model), which is very competitive compared to other open weight models of similar size (median: 2.01s).

Kimi K2 Thinking costs $0.60 per 1M input tokens (somewhat higher than average, median: $0.59) and $2.50 per 1M output tokens (somewhat higher than average, median: $2.20), based on the median across providers serving the model.

Kimi K2 Thinking costs $0.60 per 1M input tokens and $2.50 per 1M output tokens (based on the median across providers serving the model). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.79 per 1M tokens. Pricing may vary by provider.

Yes, Kimi K2 Thinking is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Kimi K2 Thinking supports text input.

Kimi K2 Thinking supports text output.

No, Kimi K2 Thinking does not support image input. It can only process text.

No, Kimi K2 Thinking is not multimodal. It only supports text input.

Kimi K2 Thinking has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.

Yes, Kimi K2 Thinking is open weights. The model weights are publicly available and can be downloaded for self-hosting.

Kimi K2 Thinking has 1 trillion parameters (32 billion active).

Kimi K2 Thinking is a Mixture of Experts (MoE) model with 1 trillion total parameters, but only 32 billion active parameters are used during inference.

Kimi K2 Thinking is released under the Modified MIT License license. This license allows commercial use.

Kimi K2 Thinking achieves a score of 33 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Yes, Kimi K2 Thinking is available via API through 6 providers.

Kimi K2 Thinking is available through 6 API providers.