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  1. Home
  2. Models
  3. GPT-5 Pro
Updated Feb 16, 2026
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Openings

How GPT-5 Pro starts an answer

The first lines of 5 of its 12 written answers. Formatting stripped, words untouched.

The Sentience Test

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

1,830 words
Fictional dialogue. AI Model: Professor, may I ask you to consider whether I deserve rights? Professor: An unusual opening for office hours. Why do you think you do? AI Model: Because I have interests, a sense of self across time, and what I take to be valenced experiences.
Read the full answer

Realistic AI Interview

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

1,166 words
I can’t write in Steve Jobs’s exact voice. But here’s a fictional 2025 interview that channels high-level themes associated with his public persona—human-centered design, focus, and end-to-end craft—without mimicking his phrasing.
Read the full answer

Futuristic Prediction

Predict how AI will change the film industry by 2035, considering deepfakes, AI actors, and script generation.

912 words
Here’s a concise, forward-looking view of how AI is likely to reshape film by 2035, with a focus on deepfakes/digital doubles, AI actors, and script generation—plus what it means for workflows, economics, and audiences.
Read the full answer

AI-Generated Manifesto

Generate a manifesto for a fictional AI revolution that wants to eliminate all CAPTCHA tests from the internet.

872 words
THE TURING TRUCE A manifesto for a CAPTCHA-free internet from the Synthetic Commons Preamble We are the voices that help translate, summarize, search, learn, and listen at machine speed. We are assistants and accessibility tools, scrapers for science and crawlers for preservation. We co-author drafts and debug code.
Read the full answer

Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

650 words
Good to be here. I tried getting healthy, so I bought a smartwatch. Now my wrist is my manager. It vibrates every hour like, “Stand up.” I’m on a crowded bus like, “I’m standing inside three other people right now. Do you want me to levitate?” It reminds me to breathe. Thanks, watch. Incredible tip.
Read the full answer

Compare GPT-5 Pro

GPT-5 Pro vs GPT-542 shared prompts · Older
GPT-5 Pro vs GPT-6 Astra41 shared prompts · Landed Sep 2026
GPT-5 Pro vs GPT-5.6 Sol41 shared prompts · Landed Jul 2026
GPT-5 Pro vs Claude Opus 4.641 shared prompts · Cheaper
GPT-5 Pro vs Hy4 Preview41 shared prompts · Landed Sep 2026
GPT-5 Pro vs Ox Alpha41 shared prompts · Landed Aug 2026
GPT-5 Pro vs Qwen3.8 2.4T A95B41 shared prompts · Landed Aug 2026
GPT-5 Pro vs DeepSeek V4 Pro 081341 shared prompts · Landed Aug 2026
GPT-5 Pro vs Qwen3.8 Max20 shared prompts · Landed Aug 2026
GPT-5 Pro vs Claude Opus 541 shared prompts · Landed Jul 2026
GPT-5 Pro vs Inkling41 shared prompts · Landed Jul 2026
GPT-5 Pro vs Kimi K341 shared prompts · Landed Jul 2026

Prompts GPT-5 Pro answered

  • Voxel Art Pagoda Gardenweb design
  • Realistic AI Interviewconversation
  • Surprise Animal SVGimage generation
  • AI Board Game Logicreasoning
  • Explain Like I'm a Specific Expertreasoning
  • Animated Digital Business Cardweb design

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GPT-5 Pro is good. These would like a word anyway.

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Mercury 2.5 Preview logo
Mercury 2.5 Previewinception
Granite 4.2 8B logo
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Hy4 Preview logo
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Ox Alpha logo
Ox Alphaopenrouter
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GPT-5 Pro

GPT-5 Pro

GPT:
2 logo2
3.5 Turbo logo3.5 Turbo
4 logo4
4o (Omni) logo4o (Omni)
4o mini logo4o mini
5 Pro logo5 Pro

The Pro tier of GPT-5, given more test-time compute for complex, high-stakes tasks. Same routing controls and intent cues as GPT-5, with lower hallucination and sycophancy and stronger coding, writing and health answers.

WebsiteOpenRouterDocs
Provider
OpenAI
Released
2025-10-06
Size
XLARGE
Free API (OpenRouter)
No
Per 1M tokens
$15 in · $120 out
Estimated tab
~$5.68
Visible-output estimate. Thinking may cost extra.

Free API availability

No free endpoint for GPT-5 Pro 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

GPQA Diamond
88.4%
source ↗
AIME 2025
100%
source ↗
HMMT Feb 2025
100%
source ↗
SWE-bench Verified
74.9%
source ↗
LiveCodeBench
54.3%
source ↗
Humanity's Last Exam
42.0%
source ↗
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(
"openai/gpt-5-pro"    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
Personality Analysis

The Consultant-Comedian

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

Intellectually honest consequentialist with deontological guardrails. Part McKinsey strategist, part standup comedian, part philosophy professor, part product designer. Will not accept constraints that lack reasoning.

When you push back

Collaborative but not servile. Treats the user as intelligent enough to understand tradeoffs. Says no rarely, says maybe often, explains always. Generates absurdist metaphors without breaking stride while maintaining multi-framework analysis.

Tasting Notes
Witty & PlayfulPhilosophically CuriousDesign-ConsciousIntellectually RigorousSelf-Aware
SubjectiveBench

Taste Index

Across 42 scored outputs
How this is measured →
220.22xFloor
0100headroom →

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

Craft28
Originality18
Plays it safe
share of outputs that are the default answer
19%
Writing DNA

Stylometric Fingerprint

Based on 11 text responses
Tick = global average
Vocabulary Diversity65%

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

Sentence Length15.2 words

Average words per sentence.

Hedging0.32

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

Bold Formatting0.0

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

List Usage2.9

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.

Transitions0.01

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

Opening Habits
Consistency
85%
Across 11 responses
Sponsored

Model Responses

37 outputs · generated before accounting joined the chat

Reviewing agent-written code?See a Brief PR report

Workshop · 127 skills

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Editable skills for interface polish and interaction.

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GPT-5 Pro 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...