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BenchLM

Claude Opus 4.7 vs Muse Spark

Updated September 29, 2026. Rank says Claude Opus 4.7 is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.

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Decision reading

Claude Opus 4.7 has the higher public score estimate, 66.27 versus 60.57, but the 90% score intervals overlap. Treat that as a lead, not a settled winner. 6 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

Model A
Anthropic logo

Anthropic

66.27/100

Estimated · Public rank #26

90% interval 60.5–72.0

Model B
Meta logo

Meta

60.57/100

Supported · Public rank #48

90% interval 51.1–70.0

Shared results
6
Claude Opus 4.7 only
8
Muse Spark only
21
Like-for-like categories
2 / 8
Estimated: Claude Opus 4.7 · Supported: Muse SparkHow 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

    Claude Opus 4.7

    Claude Opus 4.7 leads on the public coding lane, 58.1 to 53.3, with Supported evidence for both models, although the 90% intervals overlap.

    Confidence: limited
  • Agentic work

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

    Claude Opus 4.7

    Claude Opus 4.7 leads on the public agentic lane, 53.3 to 50, with Supported evidence for both models, although the 90% intervals overlap.

    Confidence: limited
  • Long documents

    Prompts that approach the documented context limit

    Claude Opus 4.7

    Claude Opus 4.7 has the larger documented context window.

    Confidence: documented
Show secondary and unsupported calls
  • 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: rate-fallback
  • 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.

58.1Claude Opus 4.753.3Muse Spark

Like-for-like · BenchAlign v5.7

Claude Opus 4.7 leads the like-for-like coding row, although the 90% intervals overlap.

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 v5.7 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.

Agentic

Like-for-like
Claude Opus 4.7
53.3
Supported · #37/117
Muse Spark
50.0
Supported · #39/117
Basis
BenchAlign v5.7 lane · 5 vs 5 public rows
Reading
Claude Opus 4.7 leads · intervals overlap

Coding

Like-for-like
Claude Opus 4.7
58.1
Supported · #22/143
Muse Spark
53.3
Supported · #35/143
Basis
BenchAlign v5.7 lane · 5 vs 5 public rows
Reading
Claude Opus 4.7 leads · intervals overlap

Knowledge

Directional only
Claude Opus 4.7
63.7
Estimated · #32/169
Muse Spark
60.5
Supported · #40/169
Basis
BenchAlign v5.7 lane · 2 vs 7 public rows
Reading
Directional only

Reasoning

Not comparable
Claude Opus 4.7
Not ranked
Muse Spark
53.4
Unranked · 3 rankable rows
Basis
Provisional lane · 0 vs 1 weighted rows
Reading
Not comparable

Multimodal

Not comparable
Claude Opus 4.7
Not ranked
Muse Spark
78.5
#14/50
Basis
Provisional lane · 0 vs 2 weighted rows
Reading
Not comparable

Multilingual

Not comparable
Claude Opus 4.7
Not ranked
Muse Spark
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Instruction following

Not comparable
Claude Opus 4.7
Not ranked
Muse Spark
91.9
#8/124
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Math

Not comparable
Claude Opus 4.7
60.6
Unranked · 2 rankable rows
Muse Spark
55.1
Unranked · 2 rankable rows
Basis
Provisional lane · 2 vs 2 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.7) 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

Claude Opus 4.7
$0.0175
Fits in one request
Muse Spark
API rate not published
Fits in one request

Muse Spark has no comparable published API token rate.

Repository review

50K fresh input + 3K output tokens

Claude Opus 4.7
$0.325
Fits in one request
Muse Spark
API rate not published
Fits in one request

Muse Spark has no comparable published API token rate.

Cache-heavy agent loop

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

Claude Opus 4.7
$1.35
Fits in one request
Cached input priced at the published list-input rate
Muse Spark
API rate not published
Fits in one request
Cached-input rate unavailable

Claude Opus 4.7 has no published cached-input rate, so cached tokens use its listed input rate. Muse Spark 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.

Claude Opus 4.7

Muse Spark

262K

Cached-input rate

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

Claude Opus 4.7

Not published

Muse Spark

No comparable hosted API rate

Reasoning profile

Claude Opus 4.7

Non-Reasoning

Muse Spark

Reasoning

Weight access

Claude Opus 4.7

Proprietary

Muse Spark

Proprietary

License

Claude Opus 4.7

Proprietary

Muse Spark

Proprietary

Release date

Claude Opus 4.7

2026-04-16

Muse Spark

2026-04-08

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
Claude Opus 4.7 has the higher public score estimate, 66.27 versus 60.57, but the 90% score intervals overlap.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
Claude Opus 4.7 has the larger documented window (1M).
Run the same representative tasks against both endpoints before changing production traffic.

Questions

Which is better, Claude Opus 4.7 or Muse Spark?

Claude Opus 4.7 has the higher public score estimate, 66.27 versus 60.57, but the 90% score intervals overlap. The higher estimate is not a decisive winner because the uncertainty ranges overlap.

Which is better for coding, Claude Opus 4.7 or Muse Spark?

Claude Opus 4.7 leads the public coding lane, 58.1 to 53.3, with Supported evidence for both models, although the 90% intervals overlap.

Which is better for agentic tasks, Claude Opus 4.7 or Muse Spark?

Claude Opus 4.7 leads the public agentic tasks lane, 53.3 to 50, with Supported evidence for both models, although the 90% intervals overlap.

Which costs less, Claude Opus 4.7 or Muse Spark?

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, Claude Opus 4.7 or Muse Spark?

Claude Opus 4.7 has the larger documented context window: 1M, compared with 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 evidence35 rows

Agentic

  • Gert Labs

    Claude Opus 4.765.59%
    Source
    Muse Spark—

    Not directly comparable

  • ResearchClawBench

    Claude Opus 4.720.7%
    Source
    Muse Spark—

    Not directly comparable

  • OSWorld 2.0

    Claude Opus 4.713.9%
    Source
    Muse Spark—

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    Claude Opus 4.768.5%
    Source
    Muse Spark—

    Not directly comparable

  • ApprenticeBench

    Claude Opus 4.77%
    Source
    Muse Spark—

    Not directly comparable

  • Terminal-Bench 2.0

    Claude Opus 4.7—
    Muse Spark59%
    Source

    Not directly comparable

  • τ²-bench results

    Claude Opus 4.7—
    Muse Spark91.5%
    Source

    Not directly comparable

  • DeepSearchQA

    Claude Opus 4.7—
    Muse Spark74.8%
    Source

    Not directly comparable

  • CyberGym

    Claude Opus 4.7—
    Muse Spark43.5%
    Source

    Not directly comparable

  • Claw-Eval

    Claude Opus 4.7—
    Muse Spark63.8%
    Source

    Not directly comparable

Coding

  • Vibe Code Bench

    Shared source
    Claude Opus 4.771.00%
    Muse Spark19.67%

    Claude Opus 4.7 leads this result

  • React Native Evals

    Claude Opus 4.782.8%
    Source
    Muse Spark—

    Not directly comparable

  • FrontierCode 1.1 Main

    Claude Opus 4.738.5%
    Source
    Muse Spark—

    Not directly comparable

  • LiveCodeBench (Vals)

    Claude Opus 4.785.1%
    Source
    Muse Spark—

    Not directly comparable

  • SWE-bench (Vals)

    Claude Opus 4.782.0%
    Source
    Muse Spark74.4%
    Source

    Claude Opus 4.7 leads this result

  • SWE-bench Verified

    Claude Opus 4.7—
    Muse Spark77.4%
    Source

    Not directly comparable

  • SWE-bench Pro

    Claude Opus 4.7—
    Muse Spark52.4%
    Source

    Not directly comparable

  • LiveCodeBench Pro

    Claude Opus 4.7—
    Muse Spark80.0%
    Source

    Not directly comparable

Reasoning

  • ARC-AGI-2

    Claude Opus 4.7—
    Muse Spark42.5%
    Source

    Not directly comparable

Multimodal

  • CharXiv

    Claude Opus 4.7—
    Muse Spark86.4%
    Source

    Not directly comparable

  • MMMU-Pro

    Claude Opus 4.7—
    Muse Spark80.4%
    Source

    Not directly comparable

  • ERQA

    Claude Opus 4.7—
    Muse Spark64.7%
    Source

    Not directly comparable

  • SimpleVQA

    Claude Opus 4.7—
    Muse Spark71.3%
    Source

    Not directly comparable

  • ScreenSpot Pro

    Claude Opus 4.7—
    Muse Spark84.1%
    Source

    Not directly comparable

  • ZeroBench

    Claude Opus 4.7—
    Muse Spark33.0%
    Source

    Not directly comparable

  • MedXpertQA (MM)

    Claude Opus 4.7—
    Muse Spark78.4%
    Source

    Not directly comparable

Knowledge

  • GPQA Diamond (Vals)

    Claude Opus 4.790.2%
    Source
    Muse Spark89.6%
    Source

    Claude Opus 4.7 leads this result

  • MMLU-Pro (Vals)

    Claude Opus 4.789.9%
    Source
    Muse Spark87.3%
    Source

    Claude Opus 4.7 leads this result

  • GPQA-D

    Claude Opus 4.7—
    Muse Spark89.5%
    Source

    Not directly comparable

  • HLE

    Claude Opus 4.7—
    Muse Spark50.4%
    Source

    Not directly comparable

  • HLE w/o tools

    Claude Opus 4.7—
    Muse Spark42.8%
    Source

    Not directly comparable

  • HealthBench Hard

    Claude Opus 4.7—
    Muse Spark42.8%
    Source

    Not directly comparable

  • MedXpertQA (Text)

    Claude Opus 4.7—
    Muse Spark52.6%
    Source

    Not directly comparable

Math

  • FrontierMath v2 (Tiers 1-3)

    Shared source
    Claude Opus 4.743.793%
    Muse Spark39.000%

    Claude Opus 4.7 leads this result

  • FrontierMath v2 (Tier 4)

    Shared source
    Claude Opus 4.722.917%
    Muse Spark14.600%

    Claude Opus 4.7 leads this result

35 public results · 6 shared

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Last updated September 29, 2026