Skip to main content
Radar

Five or fewer confirmed AI changes, with original sources, on mornings when something changed.A free source-linked morning brief.

Start free brief
Model A
DeepSeek V4 Flash 0731

DeepSeek

Evidence status unavailable

90% interval unavailable

DeepSeek V4 Flash 0731 vs Muse Spark

Updated August 13, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

Model B
Muse Spark

Meta

70.5/100

Supported · Public rank #17

90% interval 61.4–79.7

Decision reading

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.

6 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.

  • Coding work

    Code generation, repair, and software-engineering tasks

    DeepSeek V4 Flash 0731

    DeepSeek V4 Flash 0731 leads on the same 2 weighted benchmark rows.

    Confidence: limited

  • Long documents

    Prompts that approach the documented context limit

    DeepSeek V4 Flash 0731

    DeepSeek V4 Flash 0731 has the larger documented context window.

    Confidence: documented

Show secondary and unsupported calls
  • 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

  • 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
6
DeepSeek V4 Flash 0731 only
27
Muse Spark only
18
Like-for-like categories
1 / 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.

Coding

Like-for-like
DeepSeek V4 Flash 0731
68.8
Muse Spark
67.8
Weighted basis
2 vs 2 rows
Reading
DeepSeek V4 Flash 0731 leads

Agentic

Directional only
DeepSeek V4 Flash 0731
63.8
Muse Spark
59.0
Weighted basis
2 vs 1 rows
Reading
Directional only

Knowledge

Directional only
DeepSeek V4 Flash 0731
55.3
Muse Spark
50.4
Weighted basis
4 vs 1 rows
Reading
Directional only

Reasoning

Not comparable
DeepSeek V4 Flash 0731
Not measured
Muse Spark
42.5
Weighted basis
0 vs 1 rows
Reading
Not comparable

Math

Not comparable
DeepSeek V4 Flash 0731
94.8
Muse Spark
32.9
Weighted basis
1 vs 2 rows
Reading
Not comparable

Multilingual

Not comparable
DeepSeek V4 Flash 0731
Not measured
Muse Spark
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Multimodal

Not comparable
DeepSeek V4 Flash 0731
Not measured
Muse Spark
82.5
Weighted basis
0 vs 2 rows
Reading
Not comparable

Instruction following

Not comparable
DeepSeek V4 Flash 0731
Not measured
Muse Spark
Not measured
Weighted basis
0 vs 0 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

DeepSeek V4 Flash 0731
$0.00028
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

DeepSeek V4 Flash 0731
$0.00784
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

DeepSeek V4 Flash 0731
$0.00616
Fits in one request
Muse Spark
API rate not published
Fits in one request
Cached-input rate unavailable

Muse Spark 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.

DeepSeek V4 Flash 0731

Muse Spark

262K

Cached-input rate

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

DeepSeek V4 Flash 0731

$0.0028 per 1M cached input tokens

Muse Spark

No comparable hosted API rate

Reasoning profile

DeepSeek V4 Flash 0731

Reasoning

Muse Spark

Reasoning

Weight access

DeepSeek V4 Flash 0731

Proprietary

Muse Spark

Proprietary

License

DeepSeek V4 Flash 0731

Proprietary

Muse Spark

Proprietary

Release date

DeepSeek V4 Flash 0731

2026-07-31

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
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
Workload cost
A complete comparable API-rate estimate is not available for both models.
Context tradeoff
DeepSeek V4 Flash 0731 has the larger documented window (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 evidence51 rows

Agentic

  • Terminal-Bench 2.0

    DeepSeek V4 Flash 073156.9%
    Source
    Muse Spark59%
    Source

    Muse Spark leads this result

  • BrowseComp

    DeepSeek V4 Flash 073173.2%
    Source
    Muse Spark

    Not directly comparable

  • HLE w/ tools

    DeepSeek V4 Flash 073145.1%
    Source
    Muse Spark

    Not directly comparable

  • MCP Atlas

    DeepSeek V4 Flash 073169%
    Source
    Muse Spark

    Not directly comparable

  • Toolathlon

    DeepSeek V4 Flash 073147.8%
    Source
    Muse Spark

    Not directly comparable

  • Terminal-Bench 2.1

    DeepSeek V4 Flash 073182.7%
    Source
    Muse Spark

    Not directly comparable

  • CyberGym

    DeepSeek V4 Flash 073176.7%
    Source
    Muse Spark43.5%
    Source

    DeepSeek V4 Flash 0731 leads this result

  • Toolathlon-Verified

    DeepSeek V4 Flash 073170.3%
    Source
    Muse Spark

    Not directly comparable

  • Agents' Last Exam

    DeepSeek V4 Flash 073125.2%
    Source
    Muse Spark

    Not directly comparable

  • AutomationBench

    DeepSeek V4 Flash 073125.1%
    Source
    Muse Spark

    Not directly comparable

  • τ²-bench results

    DeepSeek V4 Flash 0731
    Muse Spark91.5%
    Source

    Not directly comparable

  • DeepSearchQA

    DeepSeek V4 Flash 0731
    Muse Spark74.8%
    Source

    Not directly comparable

  • Claw-Eval

    DeepSeek V4 Flash 0731
    Muse Spark63.8%
    Source

    Not directly comparable

Coding

  • LiveCodeBench Pass@1-COT

    DeepSeek V4 Flash 073191.6%
    Source
    Muse Spark

    Not directly comparable

  • Codeforces

    DeepSeek V4 Flash 07313052.0
    Source
    Muse Spark

    Not directly comparable

  • SWE-bench Verified

    DeepSeek V4 Flash 073179%
    Source
    Muse Spark77.4%
    Source

    DeepSeek V4 Flash 0731 leads this result

  • SWE-bench Pro

    DeepSeek V4 Flash 073152.6%
    Source
    Muse Spark52.4%
    Source

    DeepSeek V4 Flash 0731 leads this result

  • SWE Multilingual

    DeepSeek V4 Flash 073173.3%
    Source
    Muse Spark

    Not directly comparable

  • Terminal-Bench 2.0

    DeepSeek V4 Flash 073156.9%
    Source
    Muse Spark

    Not directly comparable

  • Terminal-Bench 2.1

    DeepSeek V4 Flash 073182.7%
    Source
    Muse Spark

    Not directly comparable

  • NL2Repo

    DeepSeek V4 Flash 073154.2%
    Source
    Muse Spark

    Not directly comparable

  • deepSwe

    DeepSeek V4 Flash 073154.4%
    Source
    Muse Spark

    Not directly comparable

  • DSBench-FullStack

    DeepSeek V4 Flash 073168.7%
    Source
    Muse Spark

    Not directly comparable

  • DSBench-Hard

    DeepSeek V4 Flash 073159.6%
    Source
    Muse Spark

    Not directly comparable

  • LiveCodeBench Pro

    DeepSeek V4 Flash 0731
    Muse Spark80.0%
    Source

    Not directly comparable

  • Vibe Code Bench

    DeepSeek V4 Flash 0731
    Muse Spark19.67%
    Source

    Not directly comparable

Reasoning

  • MRCR 1M

    DeepSeek V4 Flash 073178.7%
    Source
    Muse Spark

    Not directly comparable

  • CorpusQA 1M

    DeepSeek V4 Flash 073160.5%
    Source
    Muse Spark

    Not directly comparable

  • ARC-AGI-2

    DeepSeek V4 Flash 0731
    Muse Spark42.5%
    Source

    Not directly comparable

Knowledge

  • MMLU-Pro

    DeepSeek V4 Flash 073186.2%
    Source
    Muse Spark

    Not directly comparable

  • SimpleQA

    DeepSeek V4 Flash 073134.1%
    Source
    Muse Spark

    Not directly comparable

  • Chinese-SimpleQA

    DeepSeek V4 Flash 073178.9%
    Source
    Muse Spark

    Not directly comparable

  • GPQA

    DeepSeek V4 Flash 073188.1%
    Source
    Muse Spark

    Not directly comparable

  • GPQA-D

    DeepSeek V4 Flash 073188.1%
    Source
    Muse Spark89.5%
    Source

    Muse Spark leads this result

  • HLE

    DeepSeek V4 Flash 073134.8%
    Source
    Muse Spark50.4%
    Source

    Muse Spark leads this result

  • HLE w/o tools

    DeepSeek V4 Flash 0731
    Muse Spark42.8%
    Source

    Not directly comparable

  • HealthBench Hard

    DeepSeek V4 Flash 0731
    Muse Spark42.8%
    Source

    Not directly comparable

  • MedXpertQA (Text)

    DeepSeek V4 Flash 0731
    Muse Spark52.6%
    Source

    Not directly comparable

Math

  • HMMT Feb 2026

    DeepSeek V4 Flash 073194.8%
    Source
    Muse Spark

    Not directly comparable

  • IMOAnswerBench

    DeepSeek V4 Flash 073188.4%
    Source
    Muse Spark

    Not directly comparable

  • Apex

    DeepSeek V4 Flash 073133.0%
    Source
    Muse Spark

    Not directly comparable

  • Apex Shortlist

    DeepSeek V4 Flash 073185.7%
    Source
    Muse Spark

    Not directly comparable

  • FrontierMath v2 (Tiers 1-3)

    DeepSeek V4 Flash 0731
    Muse Spark39.000%
    Source

    Not directly comparable

  • FrontierMath v2 (Tier 4)

    DeepSeek V4 Flash 0731
    Muse Spark14.600%
    Source

    Not directly comparable

Multimodal

  • CharXiv

    DeepSeek V4 Flash 0731
    Muse Spark86.4%
    Source

    Not directly comparable

  • MMMU-Pro

    DeepSeek V4 Flash 0731
    Muse Spark80.4%
    Source

    Not directly comparable

  • ERQA

    DeepSeek V4 Flash 0731
    Muse Spark64.7%
    Source

    Not directly comparable

  • SimpleVQA

    DeepSeek V4 Flash 0731
    Muse Spark71.3%
    Source

    Not directly comparable

  • ScreenSpot Pro

    DeepSeek V4 Flash 0731
    Muse Spark84.1%
    Source

    Not directly comparable

  • ZeroBench

    DeepSeek V4 Flash 0731
    Muse Spark33.0%
    Source

    Not directly comparable

  • MedXpertQA (MM)

    DeepSeek V4 Flash 0731
    Muse Spark78.4%
    Source

    Not directly comparable

Frequently asked questions

Which is better, DeepSeek V4 Flash 0731 or Muse Spark?

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, DeepSeek V4 Flash 0731 or Muse Spark?

DeepSeek V4 Flash 0731 leads the like-for-like coding comparison across 2 shared weighted benchmark rows.

Which is better for agentic tasks, DeepSeek V4 Flash 0731 or Muse Spark?

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, DeepSeek V4 Flash 0731 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, DeepSeek V4 Flash 0731 or Muse Spark?

DeepSeek V4 Flash 0731 has the larger documented context window: 1M, compared with 262K.

Related comparisons

Last updated August 13, 2026

Watch DeepSeek V4 Flash 0731 vs Muse Spark

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

Read a sample issue

Join 2,000+ readers.