Skip to main content
BenchLM
Data

MiniMax M3.1 Flash vs Muse Spark Open

Updated October 19, 2026. Rank says MiniMax M3.1 Flash is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.

Share or export
Share on XLinkedInAPI/MCP

Decision reading

The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. Use the documented cost, context, and runtime rows instead. 0 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
MiniMax logo

MiniMax

67.05/100

Estimated · Public rank #28

Conditional range 52.7–81.4

Model B
Meta logo

Meta

62.75/100

Estimated · Public rank #46

Conditional range 48.4–77.1

Shared results
0
MiniMax M3.1 Flash only
12
Muse Spark Open only
7
Like-for-like categories
2 / 8
Estimated: MiniMax M3.1 Flash and Muse Spark Open. Conditional ranges do not establish rank confidence.How the comparison works

Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Coding work

    Code generation, repair, and software-engineering tasks

    MiniMax M3.1 Flash

    MiniMax M3.1 Flash has the higher public coding point estimate, 61.3 to 56.1, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

    Confidence: limited
Show secondary and unsupported calls
  • Agentic work

    Tool use, computer use, and multi-step task completion

    Not enough matched evidence

    MiniMax M3.1 Flash and Muse Spark Open are scored on Estimated evidence for agentic, so the reading is directional rather than like-for-like.

    Confidence: limited
  • Long documents

    Prompts that approach the documented context limit

    No clear pick

    The documented context windows are equal.

    Confidence: documented
  • Chat turn cost

    1K fresh input + 500 output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates
  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates
  • Repository review cost

    50K fresh input + 3K output tokens

    Not enough matched evidence

    A complete comparable API-rate estimate is not available for both models.

    Confidence: listed-rates

Which one for a specific job

Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.

The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.

61.3MiniMax M3.1 Flash56.1Muse Spark Open

Like-for-like · BenchAlign v5.8

MiniMax M3.1 Flash has the higher coding point estimate. Conditional score ranges do not establish rank confidence.

Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.

Same basis rules as the category table below

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

1 category rests on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

A shared-evidence shape is not available.

BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Coding

Like-for-like
MiniMax M3.1 Flash
61.3
Supported · #17/151
Muse Spark Open
56.1
Supported · #30/151
Basis
BenchAlign v5.8 lane · 3 vs 0 public rows
Reading
MiniMax M3.1 Flash leads · intervals overlap

Knowledge

Like-for-like
MiniMax M3.1 Flash
73.2
Supported · #14/186
Muse Spark Open
64.7
Supported · #39/186
Basis
BenchAlign v5.8 lane · 1 vs 0 public rows
Reading
MiniMax M3.1 Flash leads · intervals overlap

Agentic

Directional only
MiniMax M3.1 Flash
63.9
Estimated · #19/130
Muse Spark Open
60.1
Estimated · #28/130
Basis
BenchAlign v5.8 lane · 6 vs 4 public rows
Reading
Directional only

Reasoning

Not comparable
MiniMax M3.1 Flash
80.6
Unranked · 2 rankable rows
Muse Spark Open
79.6
Unranked · 2 rankable rows
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
MiniMax M3.1 Flash
73.5
#30/55
Muse Spark Open
83.6
Unranked · 4 rankable rows
Basis
Provisional lane · 1 vs 0 weighted rows
Reading
Not comparable

Multilingual

Not comparable
MiniMax M3.1 Flash
Not ranked
Muse Spark Open
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Instruction following

Not comparable
MiniMax M3.1 Flash
Not ranked
Muse Spark Open
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
MiniMax M3.1 Flash
Not ranked
Muse Spark Open
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Supported evidence per lane · bars run 0–100Methodology

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

MiniMax M3.1 Flash
$0.00045
Fits in one request
Muse Spark Open
API rate not published
Fits in one request

Muse Spark Open has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

MiniMax M3.1 Flash
$0.0093
Fits in one request
Muse Spark Open
API rate not published
Fits in one request

Muse Spark Open has no comparable published API token rate.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

MiniMax M3.1 Flash
$0.012
Fits in one request
Muse Spark Open
API rate not published
Fits in one request
Cached-input rate unavailable

Muse Spark Open has no comparable published API token rate.

Cached input falls back to the list input rate only where a cached rate is unpublished

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Cached-input rate

A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.

MiniMax M3.1 Flash

$0.015 per 1M cached input tokens

MiniMax: M3.1 Flash launch post

Muse Spark Open

No comparable hosted API rate

Meta AI Research blog

Provider availability

MiniMax M3.1 Flash

Not sourced

Muse Spark Open

Open Weights · Hugging Face, Amazon SageMaker AI, Google Cloud Model Garden, Microsoft Foundry Models, self-hosted inference

Meta AI Research: Muse Spark Open

Reasoning profile

MiniMax M3.1 Flash

Reasoning

Muse Spark Open

Reasoning

Weight access

MiniMax M3.1 Flash

Proprietary

Muse Spark Open

Open Weight

License

MiniMax M3.1 Flash

Proprietary

Muse Spark Open

Open Weight

Release date

MiniMax M3.1 Flash

2026-10-19

Muse Spark Open

2026-10-15

If you already use one of these models

Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Both models list 1M.
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, MiniMax M3.1 Flash or Muse Spark Open?

The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, MiniMax M3.1 Flash or Muse Spark Open?

MiniMax M3.1 Flash has the higher public coding point estimate, 61.3 to 56.1, with Supported evidence for both models. The conditional ranges do not establish rank confidence.

Which is better for agentic tasks, MiniMax M3.1 Flash or Muse Spark Open?

MiniMax M3.1 Flash scores higher for agentic tasks on the public lane, 63.9 to 60.1. MiniMax M3.1 Flash and Muse Spark Open are scored on Estimated evidence for agentic tasks, so the reading is directional rather than like-for-like. BenchLM does not name a winner for agentic tasks from a directional reading; read the shared benchmark rows directly and test the models on the same task set.

Which costs less, MiniMax M3.1 Flash or Muse Spark Open?

Both models do not have comparable published API token rates, so this page does not name a universal price winner.

Which has the larger context window, MiniMax M3.1 Flash or Muse Spark Open?

Both models list the same context window, 1M.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

MiniMax M3.1 Flash
API / mo$563
Self-host / moNot listed
Break-even—
Proprietary model — self-hosting not applicable.
Muse Spark Open
API / mo$0
Self-host / mo$27,962
Break-even—
Model the full break-even

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence19 rows

Agentic

  • AutomationBench

    MiniMax M3.1 Flash62.2%
    Source
    Muse Spark Open—

    Not directly comparable

  • BankerToolBench

    MiniMax M3.1 Flash76.2%
    Source
    Muse Spark Open—

    Not directly comparable

  • Terminal-Bench 4.0

    MiniMax M3.1 Flash38.10%
    Source
    Muse Spark Open—

    Not directly comparable

  • Agents' Last Exam

    MiniMax M3.1 Flash29.6%
    Source
    Muse Spark Open—

    Not directly comparable

  • OSWorld 2.0

    MiniMax M3.1 Flash61.7%
    Source
    Muse Spark Open—

    Not directly comparable

  • CyberGym

    MiniMax M3.1 Flash82.2%
    Source
    Muse Spark Open—

    Not directly comparable

  • JobBench

    MiniMax M3.1 Flash—
    Muse Spark Open61.8%
    Source

    Not directly comparable

  • MCP Atlas

    MiniMax M3.1 Flash—
    Muse Spark Open89.2%
    Source

    Not directly comparable

  • HLE w/ tools

    MiniMax M3.1 Flash—
    Muse Spark Open61.0%
    Source

    Not directly comparable

  • Toolathlon-Verified

    MiniMax M3.1 Flash—
    Muse Spark Open72.8%
    Source

    Not directly comparable

Coding

  • PostTrainBench v1.1

    MiniMax M3.1 Flash39.3%
    Source
    Muse Spark Open—

    Not directly comparable

  • DeepSWE

    MiniMax M3.1 Flash73.7%
    Source
    Muse Spark Open—

    Not directly comparable

  • NL2Repo

    MiniMax M3.1 Flash61.2%
    Source
    Muse Spark Open—

    Not directly comparable

Multimodal

  • BabyVision w/ Python

    MiniMax M3.1 Flash91.0%
    Source
    Muse Spark Open—

    Not directly comparable

  • CharXiv

    MiniMax M3.1 Flash82.5%
    Source
    Muse Spark Open—

    Not directly comparable

  • ZeroBench

    MiniMax M3.1 Flash—
    Muse Spark Open50.0%
    Source

    Not directly comparable

  • BabyVision

    MiniMax M3.1 Flash—
    Muse Spark Open80.2%
    Source

    Not directly comparable

  • SimpleVQA

    MiniMax M3.1 Flash—
    Muse Spark Open73.6%
    Source

    Not directly comparable

Knowledge

  • HLE w/o tools

    MiniMax M3.1 Flash43.4%
    Source
    Muse Spark Open—

    Not directly comparable

19 public results · 0 shared

Watch MiniMax M3.1 Flash vs Muse Spark Open

One weekly email when material rank, price, or benchmark evidence changes make this matchup worth revisiting.

Read a sample issue

Join 5,600+ readers.

Last updated October 19, 2026