Math
Like-for-like- Muse Spark
- 32.9
- o4-mini (high)
- 20.2
- Weighted basis
- 2 vs 2 rows
- Reading
- Muse Spark leads
Muse Spark vs o4-mini (high)
Updated August 21, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.
Decision reading
Muse Spark has the higher public score estimate, 70.6 versus 50.37, but the 90% score intervals overlap. Treat that as a lead, not a settled winner.
2 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.
Long documents
Prompts that approach the documented context limit
Muse Spark
Muse Spark has the larger documented context window.
Confidence: documented
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
No shared weighted benchmark basis supports a winner.
Confidence: limited
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
The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. o4-mini (high) does not fit this workload in one request. Muse Spark has no comparable published API token rate. o4-mini (high) has no comparable published API token rate.
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.
22 Muse Spark only
2 Shared
- Shared results
- 2
- Muse Spark only
- 22
- o4-mini (high) only
- 0
- Like-for-like categories
- 1 / 8
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
Not comparable- Muse Spark
- 59.0
- o4-mini (high)
- Not measured
- Weighted basis
- 1 vs 0 rows
- Reading
- Not comparable
Coding
Not comparable- Muse Spark
- 67.8
- o4-mini (high)
- Not measured
- Weighted basis
- 2 vs 0 rows
- Reading
- Not comparable
Reasoning
Not comparable- Muse Spark
- 42.5
- o4-mini (high)
- Not measured
- Weighted basis
- 1 vs 0 rows
- Reading
- Not comparable
Knowledge
Not comparable- Muse Spark
- 50.4
- o4-mini (high)
- Not measured
- Weighted basis
- 1 vs 0 rows
- Reading
- Not comparable
Multilingual
Not comparable- Muse Spark
- Not measured
- o4-mini (high)
- Not measured
- Weighted basis
- 0 vs 0 rows
- Reading
- Not comparable
Multimodal
Not comparable- Muse Spark
- 82.5
- o4-mini (high)
- Not measured
- Weighted basis
- 2 vs 0 rows
- Reading
- Not comparable
Instruction following
Not comparable- Muse Spark
- Not measured
- o4-mini (high)
- Not measured
- Weighted basis
- 0 vs 0 rows
- Reading
- Not comparable
| Category | Muse Spark | o4-mini (high) | Weighted basis | Reading |
|---|---|---|---|---|
| Math | 32.9 | 20.2 | Like-for-like2 vs 2 rows | Muse Spark leads |
| Agentic | 59.0 | Not measured | Not comparable1 vs 0 rows | Not comparable |
| Coding | 67.8 | Not measured | Not comparable2 vs 0 rows | Not comparable |
| Reasoning | 42.5 | Not measured | Not comparable1 vs 0 rows | Not comparable |
| Knowledge | 50.4 | Not measured | Not comparable1 vs 0 rows | Not comparable |
| Multilingual | Not measured | Not measured | Not comparable0 vs 0 rows | Not comparable |
| Multimodal | 82.5 | Not measured | Not comparable2 vs 0 rows | Not comparable |
| Instruction following | Not measured | Not measured | Not comparable0 vs 0 rows | 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.
FrontierMath v2 (Tiers 1-3)
Math
FrontierMath v2 (Tier 4)
Math
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
- o4-mini (high)
- API rate not published
- Fits in one request
Muse Spark has no comparable published API token rate. o4-mini (high) 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
- o4-mini (high)
- API rate not published
- Fits in one request
Muse Spark has no comparable published API token rate. o4-mini (high) 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
- o4-mini (high)
- API rate not published
- Does not fit in one request
- Cached-input rate unavailable
o4-mini (high) does not fit this workload in one request. Muse Spark has no comparable published API token rate. o4-mini (high) 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.
SpecificationMuse Sparko4-mini (high)
Context window
Maximum documented context; output-token limits may be lower.
Muse Spark
262K
o4-mini (high)
200K
API model ID
Muse Spark
Not sourced
o4-mini (high)
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
No comparable hosted API rate
o4-mini (high)
No comparable hosted API rate
Documented inputs
Muse Spark
Not sourced
o4-mini (high)
Not sourced
Documented outputs
Muse Spark
Not sourced
o4-mini (high)
Not sourced
Provider availability
Muse Spark
Not sourced
o4-mini (high)
Not sourced
Reasoning profile
Muse Spark
Reasoning
o4-mini (high)
Reasoning
Weight access
Muse Spark
Proprietary
o4-mini (high)
Proprietary
License
Muse Spark
Proprietary
o4-mini (high)
Proprietary
Release date
Muse Spark
2026-04-08
o4-mini (high)
2025-04-16
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 score estimate, 70.6 versus 50.37, but the 90% score intervals overlap.
- Workload cost
- A complete comparable API-rate estimate is not available for both models.
- Context tradeoff
- Muse Spark has the larger documented window (262K).
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 evidence24 rows
Agentic
Terminal-Bench 2.0
Muse Spark59%Sourceo4-mini (high)—Not directly comparable
τ²-bench results
Muse Spark91.5%Sourceo4-mini (high)—Not directly comparable
DeepSearchQA
Muse Spark74.8%Sourceo4-mini (high)—Not directly comparable
CyberGym
Muse Spark43.5%Sourceo4-mini (high)—Not directly comparable
Claw-Eval
Muse Spark63.8%Sourceo4-mini (high)—Not directly comparable
Coding
SWE-bench Verified
Muse Spark77.4%Sourceo4-mini (high)—Not directly comparable
SWE-bench Pro
Muse Spark52.4%Sourceo4-mini (high)—Not directly comparable
LiveCodeBench Pro
Muse Spark80.0%Sourceo4-mini (high)—Not directly comparable
Vibe Code Bench
Muse Spark19.67%Sourceo4-mini (high)—Not directly comparable
Reasoning
ARC-AGI-2
Muse Spark42.5%Sourceo4-mini (high)—Not directly comparable
Knowledge
GPQA-D
Muse Spark89.5%Sourceo4-mini (high)—Not directly comparable
HLE
Muse Spark50.4%Sourceo4-mini (high)—Not directly comparable
HLE w/o tools
Muse Spark42.8%Sourceo4-mini (high)—Not directly comparable
HealthBench Hard
Muse Spark42.8%Sourceo4-mini (high)—Not directly comparable
MedXpertQA (Text)
Muse Spark52.6%Sourceo4-mini (high)—Not directly comparable
Math
FrontierMath v2 (Tiers 1-3)
Shared sourceMuse Spark39.000%o4-mini (high)24.828%Muse Spark leads this result
FrontierMath v2 (Tier 4)
Shared sourceMuse Spark14.600%o4-mini (high)6.250%Muse Spark leads this result
Multimodal
CharXiv
Muse Spark86.4%Sourceo4-mini (high)—Not directly comparable
MMMU-Pro
Muse Spark80.4%Sourceo4-mini (high)—Not directly comparable
ERQA
Muse Spark64.7%Sourceo4-mini (high)—Not directly comparable
SimpleVQA
Muse Spark71.3%Sourceo4-mini (high)—Not directly comparable
ScreenSpot Pro
Muse Spark84.1%Sourceo4-mini (high)—Not directly comparable
ZeroBench
Muse Spark33.0%Sourceo4-mini (high)—Not directly comparable
MedXpertQA (MM)
Muse Spark78.4%Sourceo4-mini (high)—Not directly comparable
Frequently asked questions
Which is better, Muse Spark or o4-mini (high)?
Muse Spark has the higher public score estimate, 70.6 versus 50.37, but the 90% score intervals overlap. The higher estimate is not a decisive winner because the uncertainty ranges overlap.
Which is better for coding, Muse Spark or o4-mini (high)?
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 or o4-mini (high)?
The published evidence does not provide a shared weighted agentic tasks basis for both models, so BenchLM does not name a agentic tasks winner.
Which costs less, Muse Spark or o4-mini (high)?
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 o4-mini (high)?
Muse Spark has the larger documented context window: 262K, compared with 200K.
Related comparisons
Last updated August 21, 2026
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