kimi-k2-thinking· Released Nov 6, 2025
moonshotai/kimi-k2-thinking
Kimi K2 Thinking is Moonshot AI’s most advanced open reasoning model to date, extending the K2 series into agentic, long-horizon reasoning. Built on the trillion-parameter Mixture-of-Experts (MoE) architecture introduced in...
Input
From$0.648/M
Output
From$2.70/M
Context
Up to 131K
Max output
Up to 33K
Modalities
TextTextInput and output show the lowest price across upstreams, for reference. Your actual prices are listed per upstream below.
Upstreams & pricing
| Upstream | Context | Max output | Input $/1M | Output $/1M | Cached input $/1M |
|---|---|---|---|---|---|
MorgenrotAI (Global)fp8From price | 131K | 33K | $0.648 | $2.70 | $0.648 |
Routed in real time — you pay the listed price of whichever upstream serves your call.
How to call
curlrequest.sh
curl https://api.tkex.ai/v1/chat/completions \
-H "Authorization: Bearer $TX_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "moonshotai/kimi-k2-thinking",
"messages": [
{"role": "user", "content": "Say hello in five words."}
]
}'