Moonshot AI · Released Sep 11, 2026Kimi K2.8 Preview
Kimi coding model with more efficient thinking and up to 1M context, available through Kimi Code.
- Capability
- —No ECI score yet
- Input
- —No listed price
- Output
- —No listed price
- Context
- 1.05Mtokens
What it costs
No per-token price is published for this model yet.
No per-token price is listed for this model on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Kimi K2.8 Preview yet.
The details
- Lab
- Moonshot AI
- Released
- Sep 11, 2026
- Context window
- 1,048,576 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
More from Moonshot AI
About Kimi K2.8 Preview
How much does Kimi K2.8 Preview cost?
Kimi K2.8 Preview has no published per-token API price on models.dev yet.
What is the context window of Kimi K2.8 Preview?
Kimi K2.8 Preview accepts up to 1,048,576 tokens per request.
How good is Kimi K2.8 Preview?
Epoch AI has not published a Capabilities Index score for Kimi K2.8 Preview yet.
Is Kimi K2.8 Preview open source?
No. Kimi K2.8 Preview is proprietary; you use it through an API or partner platforms.
What inputs does Kimi K2.8 Preview support?
Kimi K2.8 Preview accepts text, images and video and replies in text. It is a reasoning model, supports tool calling.
When was Kimi K2.8 Preview released?
Moonshot AI released Kimi K2.8 Preview on Sep 11, 2026.
What are the best alternatives to Kimi K2.8 Preview?
The closest current models from other labs on capability, price and release date are North Small Translate (Cohere, Free / Free), Mercury 2.5 (Inception, $0.04 / $0.15), Step 5 Preview (StepFun, $1.00 / $2.70) and MiniCPM5-2B (OpenBMB, $0.124 / $0.743).