AI model comparison

Muse Spark 1.3 Contributor vs DeepSeek V4 Flash 0731

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows.

Input / 1M
$0.10
Output / 1M
$0.20
Context
1.05M

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total.

Input / 1M
$0.02
Output / 1M
$0.64
Context
1.05M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

meta logo

Muse Spark 1.3 Contributor

1.2x cheaper for a typical chat

Higher intelligence score

Tie

Not enough benchmark data

Larger context window

Tie

1.05M vs 1.05M tokens

Newer release

meta logo

Muse Spark 1.3 Contributor

Released September 2, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

meta logoMuse Spark 1.3 ContributorNot available
deepseek logoDeepSeek V4 Flash 073134.3

Coding index

meta logoMuse Spark 1.3 ContributorNot available
deepseek logoDeepSeek V4 Flash 073169.1

Agentic index

meta logoMuse Spark 1.3 ContributorNot available
deepseek logoDeepSeek V4 Flash 073141

Pricing

Muse Spark 1.3 Contributor vs DeepSeek V4 Flash 0731 API pricing

Per-token API rates. Cheaper option highlighted.

Metricmeta logoMuse Spark 1.3 Contributordeepseek logoDeepSeek V4 Flash 0731
Input tokensPer 1M tokens$0.10$0.02
Output tokensPer 1M tokens$0.20$0.64
Cached input (read)Per 1M tokens$0.00$0.02
Cache writePer 1M tokensNot availableNot available
Web searchPer request$0.0025Not available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

meta logoMuse Spark 1.3 Contributor$0.30
deepseek logoDeepSeek V4 Flash 0731$0.36

Coding task

30K in, 4K out

meta logoMuse Spark 1.3 Contributor$3.80$0.86 cached
deepseek logoDeepSeek V4 Flash 0731$3.10$3.10 cached

Long document summary

150K in, 2K out

meta logoMuse Spark 1.3 Contributor$15.40$0.70 cached
deepseek logoDeepSeek V4 Flash 0731$3.98$3.98 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricmeta logoMuse Spark 1.3 Contributordeepseek logoDeepSeek V4 Flash 0731
Context window1.05M tokens1.05M tokens
Max output944K tokens944K tokens
Input typesFile, Image, Text, VideoText
Output typesTextText
Reasoning effort levelsMax, Extra high, High, Medium, Low, MinimalMax, High, Low
Default reasoning effortMediumHigh
Release dateSeptember 2, 2026July 31, 2026

Features

Supported features

API features available for each model.

Metricmeta logoMuse Spark 1.3 Contributordeepseek logoDeepSeek V4 Flash 0731
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesNot supportedSupported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedNot supported

Our take

Muse Spark 1.3 Contributor is 1.2x cheaper for a typical chat. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Muse Spark 1.3 Contributor or DeepSeek V4 Flash 0731 cheaper?

Muse Spark 1.3 Contributor is cheaper for a typical chat (2K input tokens and 500 output tokens). Muse Spark 1.3 Contributor costs $0.10 per 1M input tokens and $0.20 per 1M output tokens, while DeepSeek V4 Flash 0731 costs $0.02 per 1M input tokens and $0.64 per 1M output tokens.

Which has a bigger context window, Muse Spark 1.3 Contributor or DeepSeek V4 Flash 0731?

Muse Spark 1.3 Contributor supports up to 1.05M tokens of context, compared with 1.05M for DeepSeek V4 Flash 0731.

Can I use Muse Spark 1.3 Contributor and DeepSeek V4 Flash 0731 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Muse Spark 1.3 Contributor and DeepSeek V4 Flash 0731 answer side by side and keep the better response.

meta logodeepseek logo

Why choose? Ask both.

Send one prompt to Muse Spark 1.3 Contributor and DeepSeek V4 Flash 0731 at the same time. Compare the answers side by side and keep the best one.