Kimi K2.8 Preview is Moonshot AI (Kimi)'s language model with a 1.0M context window, starting at $1.00 / 1M input and $4.00 / 1M output. A preview-stage large language model in Moonshot AI's Kimi K2 series, designed for general-purpose conversational and agentic tasks.
Specifications
Canonical IDmoonshot-kimi-k2-8-preview
TypeLanguage
StatusActive
CreatorMoonshot AI (Kimi)Moonshot AI (Kimi)
Providers
Context Window1.0M tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Tencent logo
Tencent
tencent/kimi-k2.8-preview
$1.00$4.00$0.25

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Kimi K31.0M$0.450$12.50Available
Kimi K3 Batch—1.0M——Available
Kimi K3 Coding—1.0M$0.440$1.61Available
Kimi K3 Fast—1.0M$4.50$22.50Available
Kimi K3 P————Available
Kimi K3 US—1.0M$4.50$22.50Available
Kimi K2.7 Code HighSpeed262K$1.90$8.00Available
Kimi K2.7 Code262K$0.671$3.35Deprecated
Kimi K2 Thinking Turbo262K——Deprecated
Kimi K2 Turbo256K——Available
Kimi K2.8 Preview—1.0M$1.00$4.00Current

Model IDs

moonshot-kimi-k2-8-preview
tencent/kimi-k2.8-preview