Model page

Kimi K2.6

Moonshot AI's Kimi K2.6 via Fireworks: open-source, native multimodal agentic model for long-horizon coding, coding-driven design, autonomous execution, and task orchestration. 1T MoE, 262k context. Supports image input and function calling. Uses 2 premium requests per send before length multipliers. Does not support web search.

Key dates

We use concrete dates and keep them consistent across the site.

Capability

Context window

262,100 tokens

Modalities

Input and output

Input: Text, Image
Output: Text

Features

Availability notes

Cached input: $0.16 / 1M tokens · 2 premium requests per send before length multipliers · Function calling supported · LoRA fine-tuning supported on Fireworks

ChatGPT

GPT‑4o retirement (ChatGPT)

OpenAI is retiring GPT‑4o inside ChatGPT on February 13, 2026. This does not automatically imply API removal.