API cost decision in 10 seconds

NewMuse Spark Open vs NewMuse Wonder

Pick Muse Spark Open when budget is the priority.

Page updated: 2026-10-15T18:08:37Z Data confirmed: 2026-10-15T20:07:46Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Muse Spark Open when budget is the priority.

On the standard 1M input plus 500K output workload, Muse Spark Open is estimated at $3.38 vs $14 for Muse Wonder, saving $10.62 (75.9% lower).

Cost-first pickMuse Spark Open

Context-first pickBoth models

Sample savings$10.6275.9%

10x traffic gap$106.25

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $106.25. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Muse Spark Open stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Muse Spark Open	Muse Wonder
Input-heavy / RAG	5M input + 500K output	Muse Spark Open	$8.38	$30
Balanced workload	1M input + 1M output	Muse Spark Open	$5.5	$24
Output-heavy chatbot	1M input + 5M output	Muse Spark Open	$22.5	$104

Cheaper input Muse Spark Open $1.25 vs $4 / 1M

Muse Spark Open is $2.75 cheaper per 1M input tokens (68.8% lower; 3.2x difference).

Cheaper output Muse Spark Open $4.25 vs $20 / 1M

Muse Spark Open is $15.75 cheaper per 1M output tokens (78.8% lower; 4.71x difference).

Larger context Tie 1.05M vs 1.05M

Both models report the same context window at 1.05M tokens.

Sample workload Muse Spark Open $3.38 vs $14

Muse Spark Open is $10.62 cheaper on the standard workload (75.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Muse Spark Open Calculating… Estimated API cost

Muse Wonder Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Muse Spark Open has the lower input price; Muse Spark Open has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Muse Spark Open is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $3.38 for Muse Spark Open and $14 for Muse Wonder.

Best Fit

Choose Muse Spark Open when you care most about lower input-token price, and lower output-token price.

Choose Muse Wonder when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, Muse Spark Open is estimated at $3.38 vs $14 for Muse Wonder, saving $10.62 (75.9% lower).
Muse Spark Open is $10.62 cheaper on the standard workload (75.9% lower).
Muse Spark Open is $2.75 cheaper per 1M input tokens (68.8% lower; 3.2x difference).
Muse Spark Open is $15.75 cheaper per 1M output tokens (78.8% lower; 4.71x difference).
Both models report the same context window at 1.05M tokens.

Head-to-Head Specs

Feature	NewMuse Spark Open (Meta)	NewMuse Wonder (Meta)
Input Price prompt tokens per 1M	$1.25	$4
Completion Price per 1M tokens	$4.25	$20
Sample Workload Cost 1M input + 500K output	$3.38	$14
Context Window	1.05M	1.05M
Release Date	2026-10-15	2026-10-12

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Muse Spark Open	On the standard 1M input plus 500K output workload, Muse Spark Open is estimated at $3.38 vs $14 for Muse Wonder, saving $10.62 (75.9% lower).
High-volume input processing	Muse Spark Open	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Muse Spark Open	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Tie	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Llama 3.3 70B Instruct (free) can replace Muse Spark Open when lower sample workload cost matters most: $0.
Llama 3.2 3B Instruct (free) can replace Muse Spark Open when lower sample workload cost matters most: $0.
Llama 3.1 8B Instruct can replace Muse Spark Open when lower sample workload cost matters most: $0.09.
Llama 3.2 1B Instruct can replace Muse Spark Open when lower sample workload cost matters most: $0.13.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.47 sample workload cost.
MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.

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Cheaper alternatives

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Meta catalog

Review all tracked Meta models before deciding whether this matchup is the right shortlist.

Open Meta models

Muse Spark Open

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...

Muse Wonder

Muse Wonder is a frontier reasoning model from Meta, designed for complex personal and professional agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with...