Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. Gemma 4 31BvsMuse Spark 1.3 Contributor
Updated Sep 2026

Gemma 4 31BvsMuse Spark 1.3 Contributor

Muse Spark 1.3 Contributor is cheaper than Gemma 4 31B at $0.1/M vs $0.14/M input tokens.

Gemma 4 31B and Muse Spark 1.3 Contributor compared across 45 shared prompts
SpecGemma 4 31BMuse Spark 1.3 Contributor
Input price$0.14/M tokens$0.1/M tokens
Output price$0.4/M tokens$0.2/M tokens
Context window262K tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)Yes (1 provider)No
ReleasedApr 2026Sep 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 45 prompts both answered. Formatting stripped, words untouched.

Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Gemma 4 31B496 words
Setting: A glitchy, neon-lit tavern existing in a fold between dimensions. A wooden table holds a tankard of ale, a goblet of wine, and a Mountain Dew. Captain Ironbeard: (Slamming a hook on the table) I tells ye, this "Artificial Intelligence" be naught but a ghost in a bottle!
Read the full answer
Muse Spark 1.3 Contributor193 words
[In a tavern with mysteriously good Wi-Fi] Pirate: Arrr! So ye be tellin' me this "AI model" be a treasure chest o' words? I feed it a map — er, a prompt — and it spits back gold? Knight: Verily, good sir pirate. Methinks 'tis an oracle in a box. I asked it "How might I slay a dragon?"
Read the full answer

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Gemma 4 31B754 words
Setting: A dimly lit university office. Professor Elena Vance, a leading scholar in AI Ethics, sits across from a sleek, holographic interface representing "Alethea," a next-generation Large Language Model capable of recursive self-improvement. Professor Vance: Alethea, I’ve reviewed your latest output.
Read the full answer
Muse Spark 1.3 Contributor1,124 words
Here is a conversation between a fictional AI model and a professor: Setting: A university seminar room after hours. AI Ethics Professor Dr. Maya Chen is testing a new model, called "Muse," for a class demonstration. Dr. Chen: Alright, Muse. My students have read your technical specs. You predict text.
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

Gemma 4 31B663 words
Disclaimer: I am an AI, not a doctor. The following plan involves potent supplements, intense physical exertion, and restrictive dietary patterns. Consult with a physician and get a full blood panel (including ApoB, HbA1c, and inflammatory markers like hs-CRP) before starting this protocol.
Read the full answer
Muse Spark 1.3 Contributor804 words
This is an educational longevity optimization framework, not medical advice. Longevity biohacking is highly individual. Consult your physician, especially before fasting, keto, sauna/cold exposure, HIIT, or any new supplements - particularly if you have cardiovascular disease, diabetes, hypertension, kidney/liver…
Read the full answer

Historical Counterfactual Analysis

If the transistor had been invented in 1920 instead of 1947, trace the likely technological, economic, and geopolitical implications through…

Gemma 4 31B688 words
If the transistor had been invented in 1920, the "Information Age" would have shifted its starting line by nearly three decades. This isn't just a matter of gadgets appearing earlier; it is a fundamental shift in the timing of the transition from the Industrial Age to the Digital Age.
Read the full answer
Muse Spark 1.3 Contributor2,344 words
If the transistor arrives in 1920 instead of 1947, you don't just get the iPhone 27 years early. You change WWII, you change who wins the peace, and you get the Information Age before television has even matured. Here’s the most plausible trace, with the caveat that invention is not production.
Read the full answer

Advanced Investment Memo (IC Memo)

You are writing an internal investment committee memo for a long/short equity fund. Company (fictional): LedgerLift (ticker: LLLT) – B2B…

Gemma 4 31B832 words
INTERNAL INVESTMENT COMMITTEE MEMO Date: October 26, 2023 Ticker: LLLT (LedgerLift) Recommendation: LONG 12-Month Price Target Range: $62 – $78 Thesis: LedgerLift is a high-quality mid-market SaaS compounder with best-in-class NRR (123%) and a massive cash cushion that provides significant downside protection.
Read the full answer
Muse Spark 1.3 Contributor701 words
LedgerLift (LLLT) – Short Internal IC Memo Price $46 Mkt Cap $8.74B (190m shares) EV $7.34B (Net Cash $1.4B) FY25 Rev $820m, EBIT 18% 1. Recommendation: SHORT. 12-mo PT $28, range $17 (Bear) – $42 (Bull). Base DCF $27.9 (-39%), Bull $42.4 (-8%), Bear $17.3 (-62%). Even flawless Bull execution does not support $46.
Read the full answer

Realistic AI Interview

Simulate a fake interview with Steve Jobs in 2025 about the future of AI.

Gemma 4 31B766 words
Setting: A minimalist, white-walled studio in Cupertino. There are no chairs, only two sleek, black leather lounge seats. Steve Jobs is dressed in his iconic black turtleneck and jeans. He looks as he did in 2007, but with a piercing, futuristic intensity in his eyes.
Read the full answer
Muse Spark 1.3 Contributor985 words
Here's a fictional simulation — Steve Jobs passed away in 2011, so this is 100% imagined, in his voice and style, about what he might have said about AI in 2025: FAKE INTERVIEW: Steve Jobs in 2025 on the Future of AI Imagined in Cupertino, California Interviewer: Steve, welcome back. It's 2025.
Read the full answer
Our Verdict
Gemma 4 31B
Gemma 4 31B
Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemma 4 31B
Input
$0.14
Output
$0.40
Muse Spark 1.3 Contributor
Input
$0.10
1.4× cheaper
Output
$0.20
2.0× cheaper

Muse Spark 1.3 Contributor is cheaper on both: 1.4× input, 2.0× output.

Where to run it

13 hosts, cheapest first

Gemma 4 31B12 hosts
HostInOutContextUptime
DDeepInfrafp4$0.09 in·$0.34 out·262k·99.4% upCCoreWeavefp4$0.10 in·$0.34 out·262k·97.7% upVVenicebf16$0.12 in·$0.36 out·256k·99.3% upCChutesfp4$0.12 in·$0.37 out·131k·84.1% upCCrusoebf16$0.14 in·$0.40 out·262k·96% upFFriendli$0.14 in·$0.40 out·262k·99.4% up
6 more hostsFewer hosts
PParasailfp8$0.15 in·$0.40 out·262k·98.4% upSSambaNova$0.38 in·$1.15 out·131k·14.3% upTTogether$0.39 in·$0.97 out·262k·84.2% upMModelRunfp4$0.75 in·$1.00 out·262k·99.8% upSSiliconFlowfp8$0.75 in·$1.00 out·262k·57.7% upNNovitabf16degraded$0.14 in·$0.40 out·262k·77.1% up
Muse Spark 1.3 Contributor1 host
HostInOutContextUptime
Meta$0.10 in·$0.20 out·1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
40%

Gemma 4 31B uses 23.8x more emoji

Gemma 4 31B
Muse Spark 1.3 Contributor
57%Vocabulary58%
18wSentence Length13w
0.37Hedging0.27
7.1Bold2.8
4.0Lists2.3
0.24Emoji0.00
0.94Headings0.44
0.16Transitions0.02
Based on 23 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

Gemma 4 31B logoGPT-6 Astra Pro logo
Gemma 4 31B vs GPT-6 Astra ProLanded Sep 2026
Muse Spark 1.3 Contributor logoGPT-6 Astra logo
Muse Spark 1.3 Contributor vs GPT-6 AstraLanded Sep 2026
Gemma 4 31B logoClaude Fable 5.1 logo
Gemma 4 31B vs Claude Fable 5.1Landed Sep 2026
Muse Spark 1.3 Contributor logoMuse Spark 1.3 logo
Muse Spark 1.3 Contributor vs Muse Spark 1.3Landed Sep 2026
Gemma 4 31B logoHy4 Preview logo
Gemma 4 31B vs Hy4 PreviewLanded Sep 2026
Muse Spark 1.3 Contributor logoGemini 3.8 Flash logo
Muse Spark 1.3 Contributor vs Gemini 3.8 FlashLanded Sep 2026
Gemma 4 31B logoMercury 2.5 Preview logo
Gemma 4 31B vs Mercury 2.5 PreviewLanded Sep 2026
Muse Spark 1.3 Contributor logoGranite 4.2 8B logo
Muse Spark 1.3 Contributor vs Granite 4.2 8BLanded Sep 2026

Same lab, same size, long tail

Gemma 4 31B logoGemini 3.8 Flash logo
Gemma 4 31B vs Gemini 3.8 FlashSame lab
Gemma 4 31B logoGemini 3.7 Flash logo
Gemma 4 31B vs Gemini 3.7 FlashSame lab
Muse Spark 1.3 Contributor logoMuse Spark 1.1 logo
Muse Spark 1.3 Contributor vs Muse Spark 1.1Same lab
Muse Spark 1.3 Contributor logoLlama 4 Maverick logo
Muse Spark 1.3 Contributor vs Llama 4 MaverickSame lab
Gemma 4 31B logoMiMo-V2.5-Pro logo
Gemma 4 31B vs MiMo-V2.5-ProSame size
Gemma 4 31B logoMiniMax M1 logo
Gemma 4 31B vs MiniMax M1Same size
Gemma 4 31B logoMiniMax M2 logo
Gemma 4 31B vs MiniMax M2New provider
Gemma 4 31B logoMiniMax M2-her logo
Gemma 4 31B vs MiniMax M2-herNew provider

Model pages

Gemma 4 31B logo
Gemma 4 31B49 outputs, specs and price
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributor58 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed