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 — the same model family, stronger on coding and agentic work, served in the same pool at the same flat price.
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: Kimi K2.7, 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="kimi-k2.7", # 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. Kimi K2.7, its direct successor, is served unlimited in the same pool.
Do I need a new subscription or key for Kimi K2.7? No. The same Frontier Pool subscription and API key serve Kimi K2.7 — just change the model id.
Related
Section titled “Related”- Kimi K2.7 API — the current Kimi flagship, same pool
- All models
- Plans & limits