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Kimi K2 Thinking on Fireworks AI

Kimi K2 · Moonshot AI

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Last refreshed 2026-05-01. Next refresh: weekly.

Why use Kimi K2 Thinking on Fireworks AI?

Fireworks AI offers Kimi K2 Thinking with pay-as-you-go pricing at $0.60/1M input tokens. Fireworks AI offers a generative AI platform as a service, focusing on rapid product iteration and cost-efficient AI deployment.

Compare Kimi K2 Thinking across 5 providers to find the best fit for your use case
Input / 1M
$0.60
Output / 1M
$2.50
Cache
Not sourced
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export FIREWORKS_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI(
    api_key=os.environ["FIREWORKS_API_KEY"],
Model ID
kimi-k2-thinking

Request example

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["FIREWORKS_API_KEY"],
    base_url="https://api.fireworks.ai/inference/v1"
)
response = client.chat.completions.create(
    model="kimi-k2-thinking",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Fireworks model IDs use "accounts/fireworks/models/{model-name}" format, e.g. "accounts/fireworks/models/llama4-scout-instruct-basic" or "accounts/fireworks/models/deepseek-r1".
  • The examples expect FIREWORKS_API_KEY; rename it only if your application config maps the new variable.

Compare Kimi K2 Thinking Across Providers

ProviderInput (per 1M)Output (per 1M)
Fireworks AI$0.60$2.50
GCP Vertex AI$0.60$2.50
NVIDIA NIM
AWS Bedrock$0.60$2.50
OpenRouter$0.60$2.50

Pricing

TypePrice (per 1M)
Input tokens$0.60
Output tokens$2.50

Capabilities

ReasoningStructured Outputs

About Kimi K2 Thinking

Extended thinking variant of Kimi K2 with native reasoning capabilities. 256K context.

FAQ

What does Kimi K2 Thinking cost on Fireworks AI?

On Fireworks AI, Kimi K2 Thinking costs $0.6 per 1M input tokens and $2.5 per 1M output tokens.

What is the context window for Kimi K2 Thinking on Fireworks AI?

Kimi K2 Thinking supports a 256,000 token context window on Fireworks AI.

How does Fireworks AI compare to other Kimi K2 Thinking providers?

Kimi K2 Thinking is available from 5 providers. The cheapest input pricing is $0.6/1M tokens from Fireworks AI.

Who created Kimi K2 Thinking?

Kimi K2 Thinking was created by Moonshot AI as part of the Kimi K2 model family.

Is Kimi K2 Thinking open source?

Kimi K2 Thinking is not open source; the seed data lists it as proprietary.

Get Started

Model Specs

Released2025-01-01
Context256K
ArchitectureDecoder Only

GPU-Hour Providers(1)

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