Fresh paint, wet floors — we're rebuilding CostOfToken into a cross-provider price comparison. Some corners are still under construction; the full version is coming up soon.

MoonshotAI: Kimi K2 Thinking pricing

Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. MoonshotAI: Kimi K2 Thinking from OpenRouter costs $0.600 per 1M input tokens and $2.50 per 1M output tokens. Cached input is $0.150 per 1M. Context window 262,144 tokens.

API id moonshotai/kimi-k2-thinking · OpenRouter · source · updated 2026-09-25 · general-purpose

$0.600
Input / 1M tokens
$2.50
Output / 1M tokens
$0.150
Cached input / 1M
262K
Context window

MoonshotAI: Kimi K2 Thinking specifications

Provider
OpenRouter
API id
moonshotai/kimi-k2-thinking
Model type
general-purpose
Context window
262K tokens
Max output
98K tokens
Currency
USD
Price source
Provider API
Last checked
2026-09-25

Tags

  • reasoning

Kimi K2 Thinking across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
Moonshot AI (Kimi)VendorCheapest
$0.600$0.150$2.50$3.10—
OpenRouterHostviewing
$0.600$0.150$2.50$3.10—

What MoonshotAI: Kimi K2 Thinking costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0019
Document summary50,0002,000$0.03
1M tokens in, 200K out1,000,000200,000$1.10

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

MoonshotAI: Kimi K2 Thinking price history

RecordedInput /1MOutput /1M
2026-09-10$0.600$2.50
2026-09-08$0.600$2.50
2026-08-27$0.600$2.50

Common questions

How much does MoonshotAI: Kimi K2 Thinking cost per 1M tokens?
MoonshotAI: Kimi K2 Thinking costs $0.600 per 1M input tokens and $2.50 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.
What is MoonshotAI: Kimi K2 Thinking's context window?
MoonshotAI: Kimi K2 Thinking accepts up to 262,144 tokens in a single request, and can return up to 98,304 output tokens.
Is there a cheaper OpenRouter model than MoonshotAI: Kimi K2 Thinking?
Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $0.600 for MoonshotAI: Kimi K2 Thinking, with a 16,385 token context window.
Where does this MoonshotAI: Kimi K2 Thinking price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

See all OpenRouter pricing →