Muse Spark 1.2

meta/muse-spark-1.2
Chat
Meta|
Function CallingVisionReasoningWeb Search

Muse Spark 1.2 (meta/muse-spark-1.2) is an AI model from Meta with a 1,048,576-token context window and 131,072 max output tokens, priced at $1.25/1M input and $4.25/1M output tokens. Available via the haimaker.ai OpenAI-compatible API.

Context Window
1M
tokens
Max Output
131K
tokens
Input Price
$1.25
/1M tokens
Output Price
$4.25
/1M tokens

Overview

Muse Spark 1.2 is a chat model by Meta. It supports a 1.0M token context window. Supports function calling, vision, reasoning, web search.

Features & Capabilities

Modechat
Context Window1,048,576 tokens
Max Output131,072 tokens
Function CallingSupported
VisionSupported
ReasoningSupported
Web SearchSupported
Url ContextNot supported

API Usage

from openai import OpenAI

client = OpenAI(
    base_url="https://api.haimaker.ai/v1",
    api_key="YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="meta/muse-spark-1.2",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ],
)

print(response.choices[0].message.content)

Frequently Asked Questions

What is the context window of Muse Spark 1.2?

Muse Spark 1.2 (meta/muse-spark-1.2) has a 1,048,576-token context window and supports up to 131,072 output tokens per request.

How much does Muse Spark 1.2 cost?

Muse Spark 1.2 is priced at $1.25 per 1M input tokens and $4.25 per 1M output tokens when accessed via the haimaker.ai OpenAI-compatible API.

What features does Muse Spark 1.2 support?

Muse Spark 1.2 supports function calling, vision, reasoning, web search.

How do I use Muse Spark 1.2 via API?

Send requests to https://api.haimaker.ai/v1/chat/completions with model "meta/muse-spark-1.2" using any OpenAI-compatible SDK. Authentication uses a Bearer API key from https://app.haimaker.ai.

Use Muse Spark 1.2 with the haimaker API

OpenAI-compatible endpoint. Start building in minutes.

Get API Access

haimaker.ai 2026 - All Rights Reserved