Home › Providers › meta › Meta: Muse Spark Open

Meta: Muse Spark Open API Pricing

Meta: Muse Spark Open is an API model from meta. It costs $1.25 per 1M input tokens and $4.25 per 1M output tokens, with cached input at $0.15. Its context window is 1,048,576 tokens with up to 943,718 output tokens. A workload of 10M input + 2M output tokens costs about $21 per month.

Input

$1.25

per 1M tokens

Output

$4.25

per 1M tokens

Cached input

$0.15

per 1M tokens

Context window

1.04858M

1,048,576 tokens

Blended (80/20)

$1.85

per 1M tokens

Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...

How much does Meta: Muse Spark Open cost for a real workload?

At 10M input + 2M output tokens per month, Meta: Muse Spark Open costs about $21 ($12.5 input + $8.5 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Meta: Muse Spark Open?

Google: Gemini 3.5 Flash (batch) — $0.75 in / $4.5 out per 1M
OpenAI: GPT Mini Latest — $0.75 in / $4.5 out per 1M
OpenAI: GPT-5.4 Mini — $0.75 in / $4.5 out per 1M
Z.ai: GLM 5V Turbo — $1.2 in / $4 out per 1M
Z.ai: GLM 5 Turbo — $1.2 in / $4 out per 1M
Thinking Machines: Inkling — $1 in / $4.05 out per 1M

Where to run Meta: Muse Spark Open

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →

Disclosure: links to these platforms may be affiliate links — if you sign up or buy through them, LLMPrices may earn a commission at no extra cost to you.

Compare Meta: Muse Spark Open with other models

Meta: Muse Spark Open vs Meta: Muse Spark 1.3 ContributorMeta: Muse Spark Open vs Meta: Muse Spark 1.2 ContributorMeta: Muse Spark Open vs Meta: Muse Glimmer 30BMeta: Muse Spark Open vs Meta: Muse Spark 1.3Meta: Muse Spark Open vs Meta: Muse Spark 1.2Meta: Muse Spark Open vs Meta: Muse Spark 1.1

Frequently asked questions

How much does Meta: Muse Spark Open cost?

Meta: Muse Spark Open costs $1.25 per 1M input tokens and $4.25 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $21.

What is the context window of Meta: Muse Spark Open?

Meta: Muse Spark Open has a context window of 1,048,576 tokens and can return up to 943,718 output tokens per response.

What are cheaper alternatives to Meta: Muse Spark Open?

Cheaper models include Google: Gemini 3.5 Flash (batch) ($0.75 in / $4.5 out), OpenAI: GPT Mini Latest ($0.75 in / $4.5 out), OpenAI: GPT-5.4 Mini ($0.75 in / $4.5 out). See the full list on this page.

Is Meta: Muse Spark Open free to use?

No. Meta: Muse Spark Open is a paid model at $1.25 input / $4.25 output per 1M tokens. 21 free models are listed on the free models page.

Provider: meta · Model ID: meta/muse-spark-open · Modality: text+image+file+audio+video->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices