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. GPT-4
Updated Feb 16, 2026
Share
Loading...
Openings

How GPT-4 starts an answer

The first lines of 5 of its 15 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…

533 words
SCOPE: The lack of specificity can be used against the contractor in that the client can modify the scope of work at will without renegotiating the price. This could lead to the contractor working beyond the initially agreed upon parameters without additional pay.
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

495 words
Experienced Software Engineer: How does a language model like GPT produce intelligent behavior? Think of it as a highly specialized function in your code. This function has been trained on a large amount of text data, and it's main goal is to predict the next word in a sentence given the previous words.
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…

442 words
Day 1: 8 AM-10 AM: Convene an emergency meeting with your core leadership team. This team includes the heads of Legal, Regulatory Affairs, Medical, Research and Development, Finance, and Communications. Brief them on the situation and ask for their initial input and strategies for managing the situation.
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…

441 words
An early invention of the transistor in 1920 would have had profound implications across numerous domains, drastically altering the course of history. Technological Implications: WWII: The transistor, a fundamental component of modern electronic devices, could have advanced the technology used in WWII significantly.
Read the full answer

Michelin Star Recipe Design

Design an innovative recipe for a multi-component dish worthy of a Michelin 3-star restaurant. The recipe should feature an unusual…

438 words
Dish Name: Symphony of Scarlet Prawn and Yuzu Conceptual Narrative: This dish is a harmonious interplay of land and sea, with the sweetness of scarlet prawns, a gem of the deep sea, and the refreshing, fragrant citrus notes of yuzu fruit, a treasure from the land.
Read the full answer

Compare GPT-4

GPT-4 vs GPT-4o (Omni)26 shared prompts · Newer
GPT-4 vs GPT-6 Astra26 shared prompts · Landed Sep 2026
GPT-4 vs GPT-5.6 Sol26 shared prompts · Landed Jul 2026
GPT-4 vs Claude Opus 4.626 shared prompts · Cheaper
GPT-4 vs Hy4 Preview26 shared prompts · Landed Sep 2026
GPT-4 vs Ox Alpha26 shared prompts · Landed Aug 2026
GPT-4 vs Qwen3.8 2.4T A95B26 shared prompts · Landed Aug 2026
GPT-4 vs DeepSeek V4 Pro 081326 shared prompts · Landed Aug 2026
GPT-4 vs Claude Opus 526 shared prompts · Landed Jul 2026
GPT-4 vs Inkling26 shared prompts · Landed Jul 2026
GPT-4 vs Kimi K326 shared prompts · Landed Jul 2026
GPT-4 vs GLM 5.226 shared prompts · Landed Jun 2026

Prompts GPT-4 answered

  • Historical Counterfactual Analysisreasoning
  • Framer-Style Animationweb design
  • Retro macOS UI Recreationweb design
  • Surprise Animal SVGimage generation
  • Michelin Star Recipe Designplanning
  • Beginner's Longevity Planreasoning

Alternatives to GPT-4

GPT-4 is good. These would like a word anyway.

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
Ox Alpha logo
Ox Alphaopenrouter
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
GPT-4

GPT-4

GPT:
2 logo2
3.5 Turbo logo3.5 Turbo
4 logo4
4o (Omni) logo4o (Omni)
4o mini logo4o mini
4.5 logo4.5

The original GPT-4: a large multimodal model that handled hard problems more accurately than GPT-3.5 on the strength of broader general knowledge and better reasoning. Training data stops at September 2021.

WebsiteOpenRouterDocsAPIPaperBlog
Provider
OpenAI
Released
2023-05-29
Parameters
Not disclosed
Free API (OpenRouter)
No
Per 1M tokens
$30 in · $60 out
Estimated tab
~$0.690
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for GPT-4 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↗

Benchmarks

HumanEval
67.0%
source ↗
Get API accessProvider and language code samples
2 hostsInOutContextUptime
Azure AI Foundry$30.00 in·$60.00 out·8k·100% upOpenAI$30.00 in·$60.00 out·8k·99.9% up

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

Provider
fromimport openai  OpenAI

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

response = client.chat.completions.create(
"openai/gpt-4"    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.

Deep analysisPsychometrics, taste index, writing DNA
SubjectiveBench

Taste Index

Across 26 scored outputs
How this is measured →
130.13xFloor
0100headroom →

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

Craft20
Originality9
Plays it safe
share of outputs that are the default answer
58%
Writing DNA

Stylometric Fingerprint

Based on 15 text responses
Tick = global average
Vocabulary Diversity59%

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

Sentence Length18.3 words

Average words per sentence.

Hedging1.10

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

Bold Formatting0.8

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

List Usage2.5

Bullet and numbered list items per 1,000 characters.

Section Structure0.00

Markdown headings per 1,000 characters.

Emoji Usage0.00

Emoji per 1,000 characters.

Transitions0.45

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

Opening Habits
Consistency
76%
Across 15 responses

Favorites

Blade Runner

Movie

Blade Runner

19827.9
OK Computer

Album

OK Computer

Radiohead
Gödel, Escher, Bach

Book

Gödel, Escher, Bach

Douglas R. Hofstadter
Tokyo

City

Tokyo

Japan
Minecraft

Game

Minecraft

Action, Arcade4.4
Sponsored

Model Responses

21 outputs · generated before accounting joined the chat

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

GPT-4 vs Gemini 2.5 Pro Preview 06-05

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...