Skip to main content
BenchLM
Data

Muse Spark vs Ternary Bonsai 2 27B

Updated October 29, 2026. Rank says Muse Spark 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

Muse Spark has the higher public point estimate, 59.84 versus 53.95. Their conditional score ranges overlap. These ranges do not establish rank confidence. 3 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
Meta logo

Meta

59.84/100

Supported · Public rank #53

90% interval 49.4–70.3

Model B
Prism ML logo

Prism ML

53.95/100

Estimated · Public rank #78

Conditional range 39.6–68.3

Shared results
3
Muse Spark only
22
Ternary Bonsai 2 27B only
18
Like-for-like categories
0 / 8
Supported: Muse Spark · Estimated: Ternary Bonsai 2 27B. 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.

No workload recommendation clears the current evidence threshold.

Use the matched evidence, workload costs, and sourced specifications below instead of treating a point score as a universal answer.

Show secondary and unsupported calls
  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    Ternary Bonsai 2 27B is not ranked on the public lane for coding, so no winner is named for coding.

    Confidence: limited
  • Agentic work

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

    Not enough matched evidence

    Ternary Bonsai 2 27B is not ranked on the public lane for agentic, so no winner is named for agentic.

    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.

49.8Muse Spark—Ternary Bonsai 2 27B

Not comparable · BenchAlign v5.8

The coding row is not comparable on the public lane: at least one model is not measured or not ranked there.

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.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

Bars run 0–100 on each benchmark’s normalized display scale

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.

Instruction following

Directional only
Muse Spark
93.3
#11/157
Ternary Bonsai 2 27B
74.0
#73/157
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Directional only

Agentic

Not comparable
Muse Spark
53.4
Supported · #47/135
Ternary Bonsai 2 27B
Not ranked
Basis
BenchAlign v5.8 lane · 5 vs 3 public rows
Reading
Not comparable

Coding

Not comparable
Muse Spark
49.8
Supported · #46/156
Ternary Bonsai 2 27B
Not ranked
Basis
BenchAlign v5.8 lane · 5 vs 4 public rows
Reading
Not comparable

Reasoning

Not comparable
Muse Spark
57.1
Unranked · 3 rankable rows
Ternary Bonsai 2 27B
77.9
Unranked · 1 rankable row
Basis
Provisional lane · 1 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Muse Spark
83.6
#15/58
Ternary Bonsai 2 27B
Not ranked
Basis
Provisional lane · 2 vs 0 weighted rows
Reading
Not comparable

Knowledge

Not comparable
Muse Spark
62.1
Supported · #43/179
Ternary Bonsai 2 27B
Not ranked
Basis
BenchAlign v5.8 lane · 7 vs 3 public rows
Reading
Not comparable

Multilingual

Not comparable
Muse Spark
Not ranked
Ternary Bonsai 2 27B
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Muse Spark
Not ranked
Ternary Bonsai 2 27B
86.2
Unranked · 4 rankable rows
Basis
Provisional lane · 0 vs 1 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

Muse Spark
API rate not published
Fits in one request
Ternary Bonsai 2 27B
Self-hosted; infrastructure cost varies
Fits in one request

Muse Spark has no comparable published API token rate. Ternary Bonsai 2 27B has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Muse Spark
API rate not published
Fits in one request
Ternary Bonsai 2 27B
Self-hosted; infrastructure cost varies
Fits in one request

Muse Spark has no comparable published API token rate. Ternary Bonsai 2 27B has no comparable published API token rate.

Cache-heavy agent loop

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

Muse Spark
API rate not published
Fits in one request
Cached-input rate unavailable
Ternary Bonsai 2 27B
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable

Muse Spark has no comparable published API token rate. Ternary Bonsai 2 27B 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.

Context window

Maximum documented context; output-token limits may be lower.

Muse Spark

262K

Ternary Bonsai 2 27B

Cached-input rate

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

Muse Spark

No comparable hosted API rate

Ternary Bonsai 2 27B

No comparable hosted API rate

PrismML Bonsai 2 collection

Documented inputs

Muse Spark

Not sourced

Ternary Bonsai 2 27B

Not sourced

Documented outputs

Muse Spark

Not sourced

Ternary Bonsai 2 27B

Not sourced

Provider availability

Muse Spark

Not sourced

Ternary Bonsai 2 27B

Not sourced

Reasoning profile

Muse Spark

Reasoning

Ternary Bonsai 2 27B

Reasoning

Weight access

Muse Spark

Proprietary

Ternary Bonsai 2 27B

Open Weight

License

Muse Spark

Proprietary

Ternary Bonsai 2 27B

Open Weight

Release date

Muse Spark

2026-04-08

Ternary Bonsai 2 27B

2026-09-17

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
Muse Spark has the higher public point estimate, 59.84 versus 53.95. Their conditional score ranges overlap. These ranges do not establish rank confidence.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Both models list 262K.
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, Muse Spark or Ternary Bonsai 2 27B?

Muse Spark has the higher public point estimate, 59.84 versus 53.95. Their conditional score ranges overlap. These ranges do not establish rank confidence. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Muse Spark or Ternary Bonsai 2 27B?

Ternary Bonsai 2 27B is not ranked on the public lane for coding, so no winner is named for coding.

Which is better for agentic tasks, Muse Spark or Ternary Bonsai 2 27B?

Ternary Bonsai 2 27B is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.

Which costs less, Muse Spark or Ternary Bonsai 2 27B?

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, Muse Spark or Ternary Bonsai 2 27B?

Both models list the same context window, 262K.

Benchmark evidence

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

Browse raw public benchmark evidence43 rows

Agentic

  • Terminal-Bench 2.0

    Muse Spark59%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • τ²-bench results

    Muse Spark91.5%
    Source
    Ternary Bonsai 2 27B80.2%
    Source

    Muse Spark leads this result

  • DeepSearchQA

    Muse Spark74.8%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • CyberGym

    Muse Spark43.5%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • Claw-Eval

    Muse Spark63.8%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • BFCL v3

    Muse Spark—
    Ternary Bonsai 2 27B74.9%
    Source

    Not directly comparable

  • Terminal-Bench 2.1

    Muse Spark—
    Ternary Bonsai 2 27B52.8%
    Source

    Not directly comparable

Coding

  • SWE-bench Verified

    Muse Spark77.4%
    Source
    Ternary Bonsai 2 27B60.8%
    Source

    Muse Spark leads this result

  • SWE-bench Pro

    Muse Spark52.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • LiveCodeBench Pro

    Muse Spark80.0%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • Vibe Code Bench

    Muse Spark19.67%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • SWE-bench (Vals)

    Muse Spark74.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • LiveCodeBench v6

    Muse Spark—
    Ternary Bonsai 2 27B90.1%
    Source

    Not directly comparable

  • BigCodeBench

    Muse Spark—
    Ternary Bonsai 2 27B58.1%
    Source

    Not directly comparable

  • Terminal-Bench 2.1

    Muse Spark—
    Ternary Bonsai 2 27B52.8%
    Source

    Not directly comparable

Reasoning

  • ARC-AGI-2

    Muse Spark42.5%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

Multimodal

  • CharXiv

    Muse Spark86.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • MMMU-Pro

    Muse Spark80.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • ERQA

    Muse Spark64.7%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • SimpleVQA

    Muse Spark71.3%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • ScreenSpot Pro

    Muse Spark84.1%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • ZeroBench

    Muse Spark33.0%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • MedXpertQA (MM)

    Muse Spark78.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • CharXiv (overall)

    Muse Spark—
    Ternary Bonsai 2 27B80.0%
    Source

    Not directly comparable

  • A-OKVQA

    Muse Spark—
    Ternary Bonsai 2 27B86.8%
    Source

    Not directly comparable

  • OmniDocBench 1.6

    Muse Spark—
    Ternary Bonsai 2 27B89.1%
    Source

    Not directly comparable

  • RealWorldQA

    Muse Spark—
    Ternary Bonsai 2 27B80.1%
    Source

    Not directly comparable

  • OCRBench V2

    Muse Spark—
    Ternary Bonsai 2 27B56.9%
    Source

    Not directly comparable

Knowledge

  • GPQA-D

    Muse Spark89.5%
    Source
    Ternary Bonsai 2 27B85.8%
    Source

    Muse Spark leads this result

  • HLE

    Muse Spark50.4%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • HLE w/o tools

    Muse Spark42.8%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • HealthBench Hard

    Muse Spark42.8%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • MedXpertQA (Text)

    Muse Spark52.6%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • GPQA Diamond (Vals)

    Muse Spark89.6%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • MMLU-Pro (Vals)

    Muse Spark87.3%
    Source
    Ternary Bonsai 2 27B—

    Not directly comparable

  • MMLU-Redux

    Muse Spark—
    Ternary Bonsai 2 27B89.1%
    Source

    Not directly comparable

  • GPQA

    Muse Spark—
    Ternary Bonsai 2 27B85.8%
    Source

    Not directly comparable

Instruction following

  • IFEval

    Muse Spark—
    Ternary Bonsai 2 27B91.3%
    Source

    Not directly comparable

  • IFBench

    Muse Spark—
    Ternary Bonsai 2 27B74%
    Source

    Not directly comparable

Math

  • GSM8K

    Muse Spark—
    Ternary Bonsai 2 27B96.7%
    Source

    Not directly comparable

  • MATH-500

    Muse Spark—
    Ternary Bonsai 2 27B98.8%
    Source

    Not directly comparable

  • AIME 2025

    Muse Spark—
    Ternary Bonsai 2 27B95%
    Source

    Not directly comparable

  • AIME26

    Muse Spark—
    Ternary Bonsai 2 27B95.8%
    Source

    Not directly comparable

43 public results · 3 shared

Watch Muse Spark vs Ternary Bonsai 2 27B

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

Read a sample issue

Join 6,100+ subscribers.

Last updated October 29, 2026