All models
Head to head

Kimi K3 vs Kimi K2.5

Price, context, inputs and filters. No benchmarks theatre.

Kimi K2.5 costs 2× less per message.

Kimi K3 holds 4× more context.

Kimi K3Moonshot AI
OpenChat with Kimi K3
Kimi K2.5Moonshot AI
OpenChat with Kimi K2.5
Made by
Moonshot AI
Moonshot AI
Content tier
Open
Open
Intelligence
Brilliant
Brilliant
Estimated price per message
~3.52 credits≈ 28 messages for $1
~1.76 credits≈ 56 messages for $1
Context window
1M tokens≈ 1,613 pages of text in one go
262K tokens≈ 403 pages of text in one go
Reads
Text, Images, Video
Text, Images
Writes
Text
Text
Tool use
Yes - search, memory, code and more
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
OpenRouter, Unbottled AI
Status
Current
Legacy

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.