LLM Reference

Kimi K2 Instruct 0905

Released
2025-09-05
Last refreshed
2026-06-04
Status
Researched 28d ago
Open sourceCommercial use: permittedLong context

Kimi K2 Instruct 0905 is worth evaluating for long context when its provider route and context window match the workload.

Use it for

  • Teams evaluating long context
  • Workloads that can use a 131k context window
  • Buyers comparing 2 tracked provider routes

Do not use it for

  • Vision or document-understanding workloads
  • Strict JSON or tool-calling flows
Specifications
Family
Kimi K2
Released
2025-09-05
Context
131k
Parameters
1T total, 32B active (MoE)
Architecture
Decoder Only
Specialization
general
Openness
Open source
License
MITOSI-approvedCommercial use: permitted
Training
Pretrained
Created by

Lossless long-context AI innovation

Beijing, China
Founded 2023
Website
Pricing
Output / 1M
$2.50
Input / 1M
$0.600

Cheapest of 2 routes · Fireworks AI

About

Kimi K2 Instruct 0905 is Moonshot AI's Kimi K2 model. It offers a 131K-token context window.

Kimi K2 Instruct 0905 is an open-source model in the Kimi K2 family. This page tracks provider routes through Fireworks AI and NVIDIA NIM, with the cheapest tracked route listed at $0.6 input and $2.5 output per 1M tokens. No headline benchmark score is tracked for Kimi K2 Instruct 0905 yet.

Top use-case fit

Long context

Included by capability and metadata signals in the decision map.

Capabilities

No model capability flags are currently sourced.

Benchmark peer barsfor Long context

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Kimi K2 Instruct 0905?

Kimi K2 Instruct 0905 has a context window of 131k tokens.

How much does Kimi K2 Instruct 0905 cost?

Kimi K2 Instruct 0905 is available at $0.6/1M input tokens through Fireworks AI.

When was Kimi K2 Instruct 0905 released?

Kimi K2 Instruct 0905 was released on 2025-09-05.

Which providers offer Kimi K2 Instruct 0905?

Kimi K2 Instruct 0905 is available from 2 providers: Fireworks AI, NVIDIA NIM.