API cost decision in 10 seconds

NewAion 3.5 Mini vs Muse Spark 1.1

Pick Aion 3.5 Mini for lower cost; pick Muse Spark 1.1 only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Aion 3.5 Mini for lower cost; pick Muse Spark 1.1 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Aion 3.5 Mini is estimated at $1.4 vs $3.38 for Muse Spark 1.1, saving $1.98 (58.5% lower).

Cost-first pickAion 3.5 Mini
Context-first pickMuse Spark 1.1
Sample savings$1.9858.5%
10x traffic gap$19.75

Muse Spark 1.1 has more context, but Aion 3.5 Mini saves $1.98 on the standard workload. At 10x that traffic, the same price gap is about $19.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Aion 3.5 Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickAion 3.5 MiniMuse Spark 1.1
Input-heavy / RAG5M input + 500K outputAion 3.5 Mini$4.2$8.38
Balanced workload1M input + 1M outputAion 3.5 Mini$2.1$5.5
Output-heavy chatbot1M input + 5M outputAion 3.5 Mini$7.7$22.5
Cheaper input Aion 3.5 Mini $0.7 vs $1.25 / 1M

Aion 3.5 Mini is $0.55 cheaper per 1M input tokens (44% lower; 1.79x difference).

Cheaper output Aion 3.5 Mini $1.4 vs $4.25 / 1M

Aion 3.5 Mini is $2.85 cheaper per 1M output tokens (67.1% lower; 3.04x difference).

Larger context Muse Spark 1.1 262.14K vs 1.05M

Muse Spark 1.1 has 786.43K more context (4x larger).

Sample workload Aion 3.5 Mini $1.4 vs $3.38

Aion 3.5 Mini is $1.98 cheaper on the standard workload (58.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Aion 3.5 Mini Calculating… Estimated API cost
Muse Spark 1.1 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

Aion 3.5 Mini has the lower input price; Aion 3.5 Mini has the lower output price; Muse Spark 1.1 offers the larger context window. For the 1M input plus 500K output sample, Aion 3.5 Mini is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.4 for Aion 3.5 Mini and $3.38 for Muse Spark 1.1.

Best Fit

Choose Aion 3.5 Mini when you care most about lower input-token price, and lower output-token price.

Choose Muse Spark 1.1 when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Aion 3.5 Mini is estimated at $1.4 vs $3.38 for Muse Spark 1.1, saving $1.98 (58.5% lower).
  • Aion 3.5 Mini is $1.98 cheaper on the standard workload (58.5% lower).
  • Aion 3.5 Mini is $0.55 cheaper per 1M input tokens (44% lower; 1.79x difference).
  • Aion 3.5 Mini is $2.85 cheaper per 1M output tokens (67.1% lower; 3.04x difference).
  • Muse Spark 1.1 has 786.43K more context (4x larger).
Head-to-Head Specs
FeatureNewAion 3.5 Mini
(AionLabs)
Muse Spark 1.1
(Meta)
Input Price
prompt tokens per 1M
$0.7$1.25
Completion Price
per 1M tokens
$1.4$4.25
Sample Workload Cost
1M input + 500K output
$1.4$3.38
Context Window262.14K1.05M
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionAion 3.5 MiniOn the standard 1M input plus 500K output workload, Aion 3.5 Mini is estimated at $1.4 vs $3.38 for Muse Spark 1.1, saving $1.98 (58.5% lower).
High-volume input processingAion 3.5 MiniLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsAion 3.5 MiniLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workMuse Spark 1.1A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

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

Open largest context models

Provider catalogs

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

Open provider hubs

AionLabs catalog

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

Open AionLabs models

Meta catalog

Check other Meta models with comparable pricing, context, or release timing.

Open Meta models
Aion 3.5 Mini

Aion 3.5 Mini is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It is the smaller, lower-cost sibling of Aion 3.5 and uses...

Muse Spark 1.1

Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context...