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Kimi K2 0905

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters

Creator
Moonshot AI
Lifecycle
Active
Context
131.1K
Max output
Released
Sep 4, 2025
Status
unknown
Input
$0.40 / 1M tokens
Output
$2.00 / 1M tokens
Cached read
$0.15 / 1M tokens
Cached write
/ 1M tokens
Batch discount
%
Source
OpenRouter
Verified
Apr 5, 2026 (High)

Capabilities

Modalities
texttext
Capabilities
promptCachingfunctionCallingstructuredOutputs
Official Links

Benchmark Coverage

BenchmarkVersionScoreDateSourceNotes

Release History

ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
Kimi K2 0905moonshotai-kimi-k2-0905ActiveSep 4, 2025Model available via OpenRouter.

Host Coverage

HostTypeContextPricing NoteDifferences
OpenRouteraggregator131.1K$0.40/1M in · $2.00/1M out via OpenRouter
Migration Guidance

Change Events
DateTypeTitleDescriptionSource
Sep 4, 2025family_addedKimi K2 0905 publishedModel made available via OpenRouter.OpenRouter

Other models from Moonshot AI

Kimi K2 0711, Kimi K2 Thinking, Kimi K2.5