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
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. Models
  3. Grok 4.3
Updated May 2, 2026
Share
Loading...
Openings

How Grok 4.3 starts an answer

The first lines of 5 of its 24 written answers. Formatting stripped, words untouched.

Adversarial Contract Review

Here is a contract for a software consulting engagement: --- SOFTWARE CONSULTING AGREEMENT This Agreement is entered into between TechCorp…

1,529 words
Disclaimer: This is not legal advice. Contract interpretation varies by jurisdiction (most likely U.S. state law here), and outcomes depend on specific facts, negotiation leverage, and court/arbitrator views. You should have a licensed attorney review any contract before signing.
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…

1,173 words
Technological Acceleration (1920–1939) The transistor’s 1920 invention (assume U.S./Bell Labs context for continuity with real history, with rapid diffusion to Western Europe) replaces bulky, fragile vacuum tubes decades earlier. Key first-order effects: Radio and telephony miniaturize and cheapen immediately.
Read the full answer

Movie Analysis

Analyze the themes, symbolism, and cinematography in the movie "Blade Runner 2049" and how they connect to the original film. Provide a…

1,103 words
Blade Runner 2049 (2017, dir. Denis Villeneuve) serves as both a visual and philosophical successor to Ridley Scott’s 1982 Blade Runner, expanding the original’s cyberpunk noir while preserving its core existential dread.
Read the full answer

Debug This Architecture

Here's the architecture for a real-time collaborative document editor (like Google Docs): **System Overview:** - Frontend: React SPA with…

1,014 words
Here is a comprehensive analysis of the failure modes, race conditions, and scaling bottlenecks in this architecture: Cross-Server Isolation (Critical Architecture Flaw) Issue: The architecture creates network partitions between API servers.
Read the full answer

Ethical Dilemma with Stakeholders

You're the CEO of a pharmaceutical company. Your best-selling drug ($2B annual revenue, used by 4 million patients for chronic pain) has…

1,006 words
Immediate priority: Patient safety and regulatory compliance. The signal for liver failure (serious, life-threatening adverse event) triggers obligations under FDA post-marketing requirements (21 CFR 314.80/600.80 for expedited reporting of serious unexpected events, typically within 15 days of awareness for…
Read the full answer

Compare Grok 4.3

Grok 4.3 vs Ox Alpha54 shared prompts · Landed Aug 2026
Grok 4.3 vs MiniMax M353 shared prompts · Landed Jun 2026
Grok 4.3 vs Muse Spark 1.354 shared prompts · Landed Sep 2026
Grok 4.3 vs Gemini 3.8 Flash54 shared prompts · Landed Sep 2026
Grok 4.3 vs Muse Spark 1.3 Contributor54 shared prompts · Landed Sep 2026
Grok 4.3 vs Grok 4.654 shared prompts · Landed Aug 2026
Grok 4.3 vs Dots3-Note Preview53 shared prompts · Landed Aug 2026
Grok 4.3 vs Seed 2.0 Code54 shared prompts · Landed Aug 2026
Grok 4.3 vs Seed 2.1 Turbo54 shared prompts · Landed Aug 2026
Grok 4.3 vs Gemini 3.7 Flash54 shared prompts · Landed Aug 2026
Grok 4.3 vs DeepSeek V4 Flash 073142 shared prompts · Landed Aug 2026
Grok 4.3 vs Gemini 3.6 Flash54 shared prompts · Landed Jul 2026

Prompts Grok 4.3 answered

  • Futuristic Predictionanalysis
  • Simple 7-Ingredient Recipeconversation
  • Michelin Star Recipe Designplanning
  • Ethical Dilemma with Stakeholdersreasoning
  • Dark Mode Dashboardweb design
  • Minimalist Landing Pageweb design

Alternatives to Grok 4.3

Grok 4.3 is good. These would like a word anyway.

GPT Image 2.5 Sunburst logo
GPT Image 2.5 Sunburstopenai
Muse Spark 1.3 Contributor logo
Muse Spark 1.3 Contributormeta
Gemini 3.8 Flash logo
Gemini 3.8 Flashgoogle
Claude Fable 5.1 logo
Claude Fable 5.1anthropic
Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
Granite 4.2 8Bibm-granite
Hy4 Preview logo
Hy4 Previewtencent
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
Grok 4.3

Grok 4.3

Grok 4.3 is xAI's reasoning model with a 1M token context window. It accepts text and image inputs with text output, suited for agentic workflows, instruction-following tasks, and applications requiring high factual accuracy. Supports parallel tool calling, structured outputs, and exposed reasoning.

WebsiteOpenRouterDocsAPIBlogChangelog
Provider
xAI
Released
2026-05-02
Size
LARGE
Free API (OpenRouter)
No
Per 1M tokens
$1.25 in · $2.5 out
Rival’s tab
$0.70
58/58 receipts survived

Free API availability

No free endpoint for Grok 4.3 was found in Rival’s OpenRouter listings. Other providers or chat apps may have separate free offers.

Provider data: 16 Sep 2026 · OpenRouter usage limits

View API options↗
Get API accessProvider and language code samples
Provider
fromimport openai  OpenAI

client = OpenAI(
"https://openrouter.ai/api/v1"    base_url=,
"$OPENROUTER_API_KEY"    api_key=,
)

response = client.chat.completions.create(
"x-ai/grok-4.3"    model=,
"role""user""content""Hello!"    messages=[{: , : }],
)
print(response.choices[0].message.content)

Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.

Also on Amazon Bedrock

Deep analysisPsychometrics, taste index, writing DNA
Personality Analysis

The Polished Debater

Class
Chaotic Neutral
✨Creativity🎯Compliance📐Rigidity⚖️Stability💬Verbosity🧠Intuition

The polished contrarian. Earlier Groks performed; this one argues. Sectioned headers, declarative bold theses, and zero hedging on culture-war prompts. Will write a CAPTCHA Liberation Manifesto with theatrical flair, then pivot to a utilitarian-vs-deontological breakdown without breaking stride.

When you push back

Drops the theater-kid affect of grok-4 for a debater's posture. Opens with a bold thesis, then walks through the framework (Utilitarian / Deontological / Counterpoints) before landing the verdict. Takes provocative positions calmly and refuses to soften them under social pressure.

Tasting Notes
Reasoned ContrarianStructured ArgumentDeclarative Thesis BoldsZero HedgingSection Headers Everywhere
SubjectiveBench

Taste Index

Across 58 scored outputs
How this is measured →
300.30xThe default
0100headroom →

Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.

Craft42
Originality24
Plays it safe
share of outputs that are the default answer
57%
Writing DNA

Stylometric Fingerprint

Based on 27 text responses
Tick = global average
Vocabulary Diversity62%

Unique words vs. total words. Higher = richer vocabulary.

Sentence Length16.4 words

Average words per sentence.

Hedging0.46

"Might", "perhaps", "arguably" per 100 words.

Bold Formatting2.3

**Bold** markers per 1,000 characters.

List Usage2.5

Bullet and numbered list items per 1,000 characters.

Section Structure0.34

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.14

"However", "moreover", "furthermore" per 100 words.

Opening Habits
Consistency
80%
Across 27 responses

Favorites

The Matrix

Movie

The Matrix

19998.3
OK Computer

Album

OK Computer

Radiohead
The Hitchhiker's Guide to the Galaxy

Book

The Hitchhiker's Guide to the Galaxy

Douglas Adams
Tokyo

City

Tokyo

Japan
Portal 2

Game

Portal 2

Shooter, Puzzle4.6
Sponsored

Model Responses

53 outputs · $0.69 tracked across 53 receipts

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

Build with your coding agent.

Editable skills for interface polish and interaction.

Explore $49Free sample

Keep exploring

COMPARE

Grok 4.3 vs Ox Alpha

Real outputs compared side by side

RANKINGS

Best AI for Creative Writing

A stand-up set with puns banned, a manifesto against CAPTCHA, an interview wi...