Kimi K2.6 API — retired
Kimi K2.6 (also written “Kimi 2.6”) was Moonshot’s previous flagship agentic and coding model. It was served in the Frontier Pool until July 2026, when it was retired in favor of its successor, Kimi K2.7 — itself retired in August 2026. The Kimi family is now served in the Flagship Pool with Kimi K3.
What this means
Section titled “What this means”- Requests with
model: "kimi-k2.6"now return an invalid-model error. - Frontier Pool subscriptions are unchanged: GLM 5.2 and MiniMax M3 remain served with no token caps.
GET /v1/modelsis always the authoritative live list.
Migrate in one line
Section titled “Migrate in one line”Change the model id — the endpoint, key, and subscription stay the same:
from openai import OpenAI
client = OpenAI( base_url="https://api.cheapestinference.com/v1", api_key="sk-..." # your subscriber key)
response = client.chat.completions.create( model="glm-5.2", # was "kimi-k2.6" messages=[{"role": "user", "content": "Refactor this function..."}],)Common questions
Section titled “Common questions”Is Kimi K2.6 still available? Not on CheapestInference — it was retired from the Frontier Pool in July 2026, and its successor Kimi K2.7 followed in August 2026. The pool continues with GLM 5.2 and MiniMax M3; Kimi K3 is served in the Flagship Pool.
Do I need a new subscription or key? No. The same Frontier Pool subscription and API key serve GLM 5.2 and MiniMax M3 — just change the model id.
Related
Section titled “Related”- Kimi K3 API — the current Kimi flagship (Flagship Pool)
- All models
- Plans & limits