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feat: update kimi-k2-0905-preview and kimi-k2-turbo-preview #7663

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Sep 5, 2025
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feat: update kimi-k2-0905-preview and kimi-k2-turbo-preview #7663

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15 changes: 13 additions & 2 deletions packages/types/src/providers/moonshot.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import type { ModelInfo } from "../model.js"
// https://platform.moonshot.ai/
export type MoonshotModelId = keyof typeof moonshotModels

export const moonshotDefaultModelId: MoonshotModelId = "kimi-k2-0711-preview"
export const moonshotDefaultModelId: MoonshotModelId = "kimi-k2-0905-preview"
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Is the new kimi-k2-0905-preview model already available in production? Changing the default model could break functionality for users if this model isn't accessible yet. Have you verified its availability?

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https://huggingface.co/moonshotai/Kimi-K2-Instruct-0905


export const moonshotModels = {
"kimi-k2-0711-preview": {
Expand All @@ -17,9 +17,20 @@ export const moonshotModels = {
cacheReadsPrice: 0.15, // $0.15 per million tokens (cache hit)
description: `Kimi K2 is a state-of-the-art mixture-of-experts (MoE) language model with 32 billion activated parameters and 1 trillion total parameters.`,
},
"kimi-k2-0905-preview": {
maxTokens: 32_000,
contextWindow: 262_144,
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The context window has been doubled from 131,072 to 262,144 tokens. Has this been tested with large contexts? This significant increase could impact:

  • Memory usage and performance
  • API rate limits
  • Cost calculations for users

supportsImages: false,
supportsPromptCache: true,
inputPrice: 0.6, // $0.60 per million tokens (cache miss)
outputPrice: 2.5, // $2.50 per million tokens
cacheWritesPrice: 0, // $0 per million tokens (cache miss)
cacheReadsPrice: 0.15, // $0.15 per million tokens (cache hit)
description: `Kimi K2 is a state-of-the-art mixture-of-experts (MoE) language model with 32 billion activated parameters and 1 trillion total parameters.`,
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The description is identical to the older kimi-k2-0711-preview model. If this is a newer version with improvements, could we update the description to reflect what's new or different about the 0905 version?

},
"kimi-k2-turbo-preview": {
maxTokens: 32_000,
contextWindow: 131_072,
contextWindow: 262_144,
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Similar concern here - the context window for kimi-k2-turbo-preview has been doubled. Has this change been tested for performance impact, especially given this is the 'turbo' variant optimized for speed?

supportsImages: false,
supportsPromptCache: true,
inputPrice: 2.4, // $2.40 per million tokens (cache miss)
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