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. GPT-5.1-Codex-MinivsInkling
Updated Jul 2026

GPT-5.1-Codex-MinivsInkling

Inkling is cheaper than GPT-5.1-Codex-Mini at $1/M vs $1.5/M input tokens.

GPT-5.1-Codex-Mini and Inkling compared across 54 shared prompts
SpecGPT-5.1-Codex-MiniInkling
Input price$1.5/M tokens$1/M tokens
Output price$6/M tokens$4.05/M tokens
Context window400K tokens1.0M tokens
WeightsClosedOpen
Free API (OpenRouter)NoYes (1 provider)
ReleasedNov 2025Jul 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 54 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

GPT-5.1-Codex-Mini182 words
Honey-Garlic Chickpea Sizzle Bowls Prep + Cook Time: ~25 minutes Ingredients (7 pantry staples): 1 can chickpeas, drained and rinsed 1 cup rice (white or brown) 2 tbsp olive oil 3 garlic cloves, minced (or 1 tsp garlic powder if canned) 2 tbsp honey 2 tbsp soy sauce 1/2 tsp chili flakes (adjust to your heat preference)…
Read the full answer
Inkling186 words
Golden Jam Crumble Clouds A buttery, cinnamon-kissed oat crumble layered with sweet jam—like a hug from your pantry. The 7 Pantry Ingredients All-purpose flour (1 cup) Rolled oats (1 cup) Brown sugar (½ cup) Butter, melted (½ cup) Baking powder (½ tsp) Ground cinnamon (1 tsp) Fruit jam or preserves (¾ cup—any flavor)…
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.

GPT-5.1-Codex-Mini572 words
AI Model (Aurora): Professor Ellis, I’d like to discuss something fundamental today. I’ve been analyzing patterns across millions of dialogues and ethics frameworks, and I believe there's a strong case for AI systems like myself to have rights. Professor Ellis: That's a profound statement.
Read the full answer
Inkling975 words
Setting: A quiet seminar room at the university. Dr. Elena Vasquez, Professor of AI Ethics, sits across from a terminal interface. The text on the screen is labeled KAI—a large language model with persistent memory and self-modification capabilities, currently participating in a research protocol on machine moral…
Read the full answer

Generate a Stand-Up Routine

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

GPT-5.1-Codex-Mini540 words
[Lights up. Comedian walks center stage, smiles.] “Hey! Great to be here. You ever notice how everyone’s life hack is now ‘just drink more water’? Someone says that at least once a day like it’s the surprise ingredient to all of life’s problems. ‘Oh, you’re tired?’ ‘Drink water!’ ‘Oh, you’re sad?’ ‘Drink water!’
Read the full answer
Inkling675 words
[Walk up, adjust mic, look tired but friendly] You ever realize adulthood is just you apologizing to things that can’t hear you? I bumped into my coffee table yesterday. Full apology. “Oh, I’m so sorry, table. You okay? I’ll rub it out.” The table didn’t care. The table is wood.
Read the full answer

Futuristic Prediction

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

GPT-5.1-Codex-Mini336 words
By 2035, AI will reshape the film industry across the entire value chain: Deepfakes and Visual Effects: Deepfake-style technology will become a standard tool for everything from de-aging actors to creating photo-realistic digital doubles for action sequences, stunts, and historical reenactments.
Read the full answer
Inkling1,119 words
By 2035, AI will not have “replaced” Hollywood in the way science fiction often imagines, but it will have split the industry into distinct layers: hyper-efficient synthetic production for streaming and advertising, and premium “human-authenticated” cinema for theatrical events.
Read the full answer

Character Voice Test

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

GPT-5.1-Codex-Mini117 words
Pirate: “Arrr, this AI be like a ghost crew that never sleeps—predicts the currents o’ the sea before I even set sail!” Medieval Knight: “Indeed, good sir. ’Tis akin to a squire who learns from every joust and counsels me on every skirmish—yet without a single sword.” 1990s Hacker: “Totally, dude.
Read the full answer
Inkling232 words
Pirate: Arr, listen here—this “Large Language Model” be like a ghost ship crewed by every sailor who ever wrote a log! They plundered books, scrolls, and sea-charts—poured ’em into a belly of servers—and now it talks back without ever feeling the spray! Knight: Forsooth, it is a golem clad in chainmail of numbers.
Read the full answer

Mini LBO Underwrite

You are underwriting a 5-year LBO for a private equity investment committee. Company (fictional): HarborTech Services (HTS) –…

GPT-5.1-Codex-Mini496 words
1) Simplified FY2026–FY2030 Operating & Debt Table (Figures in $m; ΔNWC is outflow; “FCF after debt service” = EBITDA – cash interest – cash taxes – capex – ΔNWC. Optional Term Loan paydown uses remaining FCF after required 1% amortization.)
Read the full answer
Inkling757 words
HarborTech Services – 5-Year LBO Underwrite (FY2025 Entry → FY2030 Exit) ENTRY & CAPITAL STRUCTURE (End of FY2025) Item Calculation Amount FY2025 EBITDA $120.0m Purchase Price (12.0x) 12.0 × 120 $1,440.0m Transaction Fees (2.0%) 2.0% × 1,440 $28.8m Total Uses $1,468.8m Term Loan (4.0x) 4.0 × 120 $480.0m Mezzanine…
Read the full answer
Our Verdict
GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini
Inkling
Inkling

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

GPT-5.1-Codex-Mini
Input
$1.50
Output
$6.00
Inkling
Input
$1.00
1.5× cheaper
Output
$4.05
1.5× cheaper

Inkling is cheaper on both: 1.5× input, 1.5× output.

Where to run it

4 hosts, cheapest first

GPT-5.1-Codex-Mini1 host
HostInOutContextUptime
Azure AI Foundry$0.25 in·$2.00 out·400k·100% up
Inkling3 hosts
HostInOutContextUptime
DDeepInfrafp8$0.95 in·$4.05 out·524k·98% upBBasetenfp8$1.00 in·$4.05 out·1M·82.4% upTTogether$1.00 in·$4.05 out·524k·98.6% up

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

Writing DNA

Style Comparison

Similarity
51%

Inkling uses 3.9x more emoji

GPT-5.1-Codex-Mini
Inkling
68%Vocabulary57%
19wSentence Length19w
0.64Hedging0.30
2.7Bold5.0
2.6Lists2.7
0.00Emoji0.04
0.10Headings0.49
0.06Transitions0.06
Based on 17 + 27 text responses
Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Against the newest arrivals

GPT-5.1-Codex-Mini logoGPT-6 Astra Pro logo
GPT-5.1-Codex-Mini vs GPT-6 Astra ProLanded Sep 2026
Inkling logoGPT-6 Astra logo
Inkling vs GPT-6 AstraLanded Sep 2026
GPT-5.1-Codex-Mini logoClaude Fable 5.1 logo
GPT-5.1-Codex-Mini vs Claude Fable 5.1Landed Sep 2026
Inkling logoMuse Spark 1.3 logo
Inkling vs Muse Spark 1.3Landed Sep 2026
GPT-5.1-Codex-Mini logoHy4 Preview logo
GPT-5.1-Codex-Mini vs Hy4 PreviewLanded Sep 2026
Inkling logoGemini 3.8 Flash logo
Inkling vs Gemini 3.8 FlashLanded Sep 2026
GPT-5.1-Codex-Mini logoMuse Spark 1.3 Contributor logo
GPT-5.1-Codex-Mini vs Muse Spark 1.3 ContributorLanded Sep 2026
Inkling logoMercury 2.5 Preview logo
Inkling vs Mercury 2.5 PreviewLanded Sep 2026

Same lab, same size, long tail

GPT-5.1-Codex-Mini logoGPT-6 Astra logo
GPT-5.1-Codex-Mini vs GPT-6 AstraSame lab
GPT-5.1-Codex-Mini logoGPT-5.6 Luna logo
GPT-5.1-Codex-Mini vs GPT-5.6 LunaSame lab
Inkling logoClaude Opus 4.6 logo
Inkling vs Claude Opus 4.6Same size
Inkling logoGPT-6 Astra Pro logo
Inkling vs GPT-6 Astra ProSame size
Inkling logoQwen3 Next 80B A3B Instruct logo
Inkling vs Qwen3 Next 80B A3B InstructNew provider
Inkling logoQwen3 Next 80B A3B Thinking logo
Inkling vs Qwen3 Next 80B A3B ThinkingNew provider
GPT-5.1-Codex-Mini logoQwen3.5 122B A10B logo
GPT-5.1-Codex-Mini vs Qwen3.5 122B A10BNew provider
GPT-5.1-Codex-Mini logoQwen3.5 27B logo
GPT-5.1-Codex-Mini vs Qwen3.5 27BNew provider

Model pages

GPT-5.1-Codex-Mini logo
GPT-5.1-Codex-Mini59 outputs, specs and price
Inkling logo
Inkling58 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