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BenchLM
Model A
Muse Spark 1.1

Meta

76.7/100

Supported · Public rank #7

90% interval 72.6–80.9

Muse Spark 1.1 vs Nemotron 3 Ultra

Updated August 22, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

Model B
Nemotron 3 Ultra

NVIDIA

46.4/100

Estimated · Public rank #158

90% interval 36.5–56.2

Decision reading

Muse Spark 1.1 has the higher public score, 76.74 versus 46.35, and the 90% score intervals do not overlap.

4 results are shared. Category rows based on different benchmark sets are marked directional and do not name a winner.

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

    No shared weighted benchmark basis supports a winner.

    Confidence: limited

  • Agentic work

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

    Not enough matched evidence

    The category averages use different weighted benchmark sets, so they are 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

What is actually comparable

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

Shared results
4
Muse Spark 1.1 only
17
Nemotron 3 Ultra only
15
Like-for-like categories
0 / 8

2 categories use different evidence sets. Those rows remain visible for coverage context but do not name a winner.

Category results, on a stated basis

Each row states whether both averages use the same weighted benchmark set. Directional and not-comparable rows remain visible, but they never receive a winner in this template.

Agentic

Directional only
Muse Spark 1.1
80.4
Nemotron 3 Ultra
51.3
Weighted basis
2 vs 2 rows
Reading
Directional only

Knowledge

Directional only
Muse Spark 1.1
62.1
Nemotron 3 Ultra
53.8
Weighted basis
1 vs 3 rows
Reading
Directional only

Coding

Not comparable
Muse Spark 1.1
61.5
Nemotron 3 Ultra
58.3
Weighted basis
1 vs 2 rows
Reading
Not comparable

Reasoning

Not comparable
Muse Spark 1.1
Not measured
Nemotron 3 Ultra
61.9
Weighted basis
0 vs 1 rows
Reading
Not comparable

Math

Not comparable
Muse Spark 1.1
Not measured
Nemotron 3 Ultra
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Multilingual

Not comparable
Muse Spark 1.1
Not measured
Nemotron 3 Ultra
83.0
Weighted basis
0 vs 1 rows
Reading
Not comparable

Multimodal

Not comparable
Muse Spark 1.1
88.4
Nemotron 3 Ultra
Not measured
Weighted basis
1 vs 0 rows
Reading
Not comparable

Instruction following

Not comparable
Muse Spark 1.1
Not measured
Nemotron 3 Ultra
81.7
Weighted basis
0 vs 1 rows
Reading
Not comparable

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.

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 1.1
API rate not published
Fits in one request
Nemotron 3 Ultra
Self-hosted; infrastructure cost varies
Fits in one request

Muse Spark 1.1 has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Muse Spark 1.1
API rate not published
Fits in one request
Nemotron 3 Ultra
Self-hosted; infrastructure cost varies
Fits in one request

Muse Spark 1.1 has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.

Cache-heavy agent loop

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

Muse Spark 1.1
API rate not published
Fits in one request
Cached-input rate unavailable
Nemotron 3 Ultra
Self-hosted; infrastructure cost varies
Fits in one request
Cached-input rate unavailable

Muse Spark 1.1 has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.

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 1.1

1M

Nemotron 3 Ultra

1M

API model ID

Muse Spark 1.1

Not sourced

Nemotron 3 Ultra

Not sourced

Cached-input rate

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

Muse Spark 1.1

No comparable hosted API rate

Nemotron 3 Ultra

No comparable hosted API rate

Documented inputs

Muse Spark 1.1

Not sourced

Nemotron 3 Ultra

Not sourced

Documented outputs

Muse Spark 1.1

Not sourced

Nemotron 3 Ultra

Not sourced

Provider availability

Muse Spark 1.1

Not sourced

Nemotron 3 Ultra

Not sourced

Reasoning profile

Muse Spark 1.1

Reasoning

Nemotron 3 Ultra

Reasoning

Weight access

Muse Spark 1.1

Proprietary

Nemotron 3 Ultra

Open Weight

License

Muse Spark 1.1

Proprietary

Nemotron 3 Ultra

Open Weight

Release date

Muse Spark 1.1

2026-07-09

Nemotron 3 Ultra

2026-06-04

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 1.1 has the higher public score, 76.74 versus 46.35, and the 90% score intervals do not overlap.
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.

Benchmark evidence

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

Browse raw public benchmark evidence36 rows

Agentic

  • Terminal-Bench 2.0

    Muse Spark 1.180%
    Source
    Nemotron 3 Ultra56.4%
    Source

    Muse Spark 1.1 leads this result

  • MCP Atlas

    Muse Spark 1.188.1%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • Toolathlon

    Muse Spark 1.175.6%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • OSWorld-Verified

    Muse Spark 1.180.8%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • WebArena-Verified

    Muse Spark 1.169%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • DeepSearchQA

    Muse Spark 1.184.9%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • CyberGym

    Muse Spark 1.159.0%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • Finance Agent v2

    Muse Spark 1.157.2%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • deepSwe

    Muse Spark 1.153.3%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • OSWorld 2.0

    Muse Spark 1.114.2%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • JobBench

    Muse Spark 1.154.7%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • Cybench

    Muse Spark 1.192.9%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • ExploitGym

    Muse Spark 1.10.8%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • PinchBench

    Muse Spark 1.1—
    Nemotron 3 Ultra90.0%
    Source

    Not directly comparable

  • BrowseComp

    Muse Spark 1.1—
    Nemotron 3 Ultra44.4%
    Source

    Not directly comparable

  • τ³-bench results

    Muse Spark 1.1—
    Nemotron 3 Ultra70.9%
    Source

    Not directly comparable

  • HLE w/ tools

    Muse Spark 1.1—
    Nemotron 3 Ultra37.4%
    Source

    Not directly comparable

Coding

  • Terminal-Bench 2.0

    Muse Spark 1.180.0%
    Source
    Nemotron 3 Ultra56.4%
    Source

    Muse Spark 1.1 leads this result

  • SWE-bench Pro

    Muse Spark 1.161.5%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • SWE-bench Verified

    Muse Spark 1.1—
    Nemotron 3 Ultra71.9%
    Source

    Not directly comparable

  • SWE Multilingual

    Muse Spark 1.1—
    Nemotron 3 Ultra67.7%
    Source

    Not directly comparable

  • LiveCodeBench v6

    Muse Spark 1.1—
    Nemotron 3 Ultra89.0%
    Source

    Not directly comparable

  • SciCode

    Muse Spark 1.1—
    Nemotron 3 Ultra44.6%
    Source

    Not directly comparable

Reasoning

  • MRCR 1M

    Muse Spark 1.154.1%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • CritPt

    Muse Spark 1.1—
    Nemotron 3 Ultra3.1%
    Source

    Not directly comparable

  • LongBench v2

    Muse Spark 1.1—
    Nemotron 3 Ultra61.9%
    Source

    Not directly comparable

Knowledge

  • HLE

    Muse Spark 1.162.1%
    Source
    Nemotron 3 Ultra26.7%
    Source

    Muse Spark 1.1 leads this result

  • HLE w/o tools

    Muse Spark 1.152.2%
    Source
    Nemotron 3 Ultra26.7%
    Source

    Muse Spark 1.1 leads this result

  • HealthBench Professional

    Muse Spark 1.159.3%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • GPQA

    Muse Spark 1.1—
    Nemotron 3 Ultra87%
    Source

    Not directly comparable

  • GPQA-D

    Muse Spark 1.1—
    Nemotron 3 Ultra87.0%
    Source

    Not directly comparable

  • MMLU-Pro

    Muse Spark 1.1—
    Nemotron 3 Ultra86.8%
    Source

    Not directly comparable

Multilingual

  • MMLU-ProX

    Muse Spark 1.1—
    Nemotron 3 Ultra83%
    Source

    Not directly comparable

Multimodal

  • CharXiv

    Muse Spark 1.188.4%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

  • BabyVision

    Muse Spark 1.176.3%
    Source
    Nemotron 3 Ultra—

    Not directly comparable

Instruction following

  • IFBench

    Muse Spark 1.1—
    Nemotron 3 Ultra81.7%
    Source

    Not directly comparable

Frequently asked questions

Which is better, Muse Spark 1.1 or Nemotron 3 Ultra?

Muse Spark 1.1 has the higher public score, 76.74 versus 46.35, and the 90% score intervals do not overlap. That is the clearest overall quality signal in the current public data.

Which is better for coding, Muse Spark 1.1 or Nemotron 3 Ultra?

The published evidence does not provide a shared weighted coding basis for both models, so BenchLM does not name a coding winner.

Which is better for agentic tasks, Muse Spark 1.1 or Nemotron 3 Ultra?

The current agentic tasks averages use different weighted benchmark sets, so BenchLM does not name a winner from them. Read the shared benchmark rows directly and test the models on the same task set.

Which costs less, Muse Spark 1.1 or Nemotron 3 Ultra?

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 1.1 or Nemotron 3 Ultra?

Both models list the same context window, 1M.

Related comparisons

Compare API pricing Read the methodology Open the model selector

Last updated August 22, 2026

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