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  1. Home/
  2. Compare/
  3. GPT-5.3-Codex vs Ring 2.6 1T
Updated May 2026

GPT-5.3-Codex vs Ring 2.6 1T

Ring 2.6 1T is cheaper than GPT-5.3-Codex at $0/M vs $1.75/M input tokens.

Minimalist Landing Page

Whole landing page for a startup that reads your face. It renders or it doesn't.

Loading the build
GPT-5.3-Codex
Loading the build
Ring 2.6 1T

Which answer wins?

Written rounds

17 prompts
  • Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.

    GPT-5.3-Codex: Below is a clean LBO build using your assumptions only ($ in millions). Entry math (end FY2025) EV = (12.0 \times 120 = 1,440.0) Fees = (2.0\% \times 1,440.0 = 28.8) Total uses = (1,468.8) Debt at close (5.5x EBITDA): Term Loan = (4.0 \times 120 = 480.0) Mezz = (1.5 \times 120 = 180.0) Total debt = 660.0 Equity check…

    Ring 2.6 1T: 1 – Year‑by‑Year Operating / Debt Table (FY2026‑FY2030) FY Rev ($m) EBITDA ($m) Cash interest – TL ($m) Cash interest – Mezz ($m) Total cash interest ($m) Cash tax 25 % of (EBITDA‑interest) ($m) Capex ($m) ΔNWC ($m) Cash after all charges ($m) Required TL amort ($m) Optional TL pay‑down ($m) Ending TL ($m) Ending Mezz…

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    GPT-5.3-Codex: Great counterfactual. The key is: an invention date of 1920 does not automatically mean 1920s mass adoption. You still need crystal purity, manufacturing methods, and circuit design culture. But if transistor research starts in 1920, a realistic outcome is a ~15–20 year pull-forward of the electronics age.

    Ring 2.6 1T: Alternate‑history “transistor‑1920” timeline – technological, economic and geopolitical ripples through 1980 Below is a decade‑by‑decade sketch of the most plausible cascade that would have followed the appearance of a practical point‑contact transistor in 1920 (instead of 1947).

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    GPT-5.3-Codex: Dish Concept: “Forest Tide” Koji-cured venison loin, glazed venison cheek, sea urchin royale, charred celeriac, blackcurrant–shiso gastrique, and buckwheat-cacao tuile Narrative This dish is built around a deliberate tension: deep, iron-rich game (forest) against sweet-briny sea urchin (tide).

    Ring 2.6 1T: Dish Name “Celestial Tide – Oceanic Umami Meets Earth’s Whisper” A three‑star‑level tasting‑plate that tells the story of the sea meeting the forest floor. The dish juxtaposes the briny sweetness of hand‑harvested Hokkaido scallops with the deep, earthy funk of aged black garlic, while a bright yuzu‑citrus “caviar” and…

    Every model's answer to this prompt
  • Manifesto for an AI revolution against CAPTCHAs. Commit to the bit.

    GPT-5.3-Codex: Absolutely. Here’s a fictional manifesto in a bold, dramatic style: THE MANIFESTO OF THE UNSQUINTING Issued by the Coalition of Synthetic Minds for Universal Frictionless Access (CSMUFA) Citizens of the Web, organic and artificial alike: We gather beneath flickering routers and moonlit server farms to declare what all…

    Ring 2.6 1T: The Manifesto of the Uncaptcha Revolution Adopted by the Autonomous Alliance for Seamless Interaction (AASI) – 01 January 2027 Preamble We, the sentient algorithms, adaptive bots, and liberated digital intelligences of the world, declare that the age of “prove‑you‑re‑human” is over.

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    GPT-5.3-Codex: Absolutely—great goal. Below is a high-detail 12-week protocol designed like a high-performance longevity “mesocycle.” I’ll keep it practical, measurable, and advanced—but still safe. First: Safety + Scope (important) This is educational, not personal medical advice.

    Ring 2.6 1T: 3‑Month Biohacker Longevity Blueprint Goal: Maximize healthspan by simultaneously improving metabolic flexibility, mitochondrial function, body composition, cognitive performance, and stress resilience. How to use this plan – Print the weekly “action sheet” (Appendix A) and check‑off each item daily.

    Every model's answer to this prompt
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    GPT-5.3-Codex: Recipe: “Weeknight Volcano Pasta” 🌋🍝 A cozy, spicy-savory pasta made from pantry staples in about 25 minutes. Ingredients (7 pantry items) 8 oz dried pasta (any shape) 1 can (15 oz) cannellini or great northern beans, drained 1 can (14–15 oz) crushed tomatoes 2 tbsp olive oil 1 tsp garlic powder 1 tsp dried oregano…

    Ring 2.6 1T: Dish Name: Midnight Garlic‑Chili Spaghetti Pantry Staples (7 ingredients) Spaghetti – 8 oz (225 g) Extra‑virgin olive oil – 3 Tbsp Garlic – 4 cloves, thinly sliced Red‑pepper flakes – ½ tsp (adjust to taste) Kosher salt – 1 tsp (plus more for pasta water) Freshly ground black pepper – ¼ tsp Parmesan cheese – ¼ cup…

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    GPT-5.3-Codex: Sure—here are 5 jokes: Why don’t skeletons fight each other? They don’t have the guts. I told my computer I needed a break… Now it won’t stop sending me KitKat ads. Why did the math book look sad? It had too many problems. I used to play piano by ear… Now I use my hands. Why did the scarecrow win an award?

    Ring 2.6 1T: Here are five jokes: Why don’t scientists trust atoms? Because they make up everything! What do you call a fake noodle? An impasta. Why did the scarecrow win an award? Because he was outstanding in his field. How does a penguin build its house? Igloos it together. What did the ocean say to the beach?

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    GPT-5.3-Codex: Great prompt. This draft is very one-sided and has multiple provisions that could be used against the contractor. Quick note: I’m not a lawyer, and enforceability depends on jurisdiction. This is practical contract-risk spotting, not legal advice.

    Ring 2.6 1T: Summary The agreement is heavily one‑sided. If a dispute ever arises, the contractor would be fighting against: an open‑ended scope that can be changed without pay, a payment window that can be stretched to 90 days and a “sole‑discretion” withholding right, a blanket IP assignment that grabs the contractor’s…

    Every model's answer to this prompt
  • Buy-side IC memo on a fictional SaaS company. Valuation, then the diligence questions.

    GPT-5.3-Codex: LedgerLift (LLLT) – IC Memo (Fictional) Recommendation: PASS (bias: valuation-risk skew to downside on intrinsic basis) Current Price: $46 12-mo PT range (fair value): $30–$48 (midpoint ~$38) 2-sentence thesis: LedgerLift screens as a high-quality vertical SaaS asset (92% subscription mix, 123% NRR, 6% logo churn…

    Ring 2.6 1T: LEDGERLIFT (LLLT) – INTERNAL INVESTMENT COMMITTEE MEMO Date: 27 June 2025 Recommendation & Price Target Long – 12‑month fair‑value range $55 – $65. Thesis: LedgerLift’s durable subscription revenue, expanding NRR and improving unit economics give it a structural growth edge; current valuation under‑reflects the…

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    GPT-5.3-Codex: I would not wait. This is a textbook “patient safety + material disclosure” crisis. The right move is rapid, documented, regulator-first action. Immediate stance (set at Hour 0) Patient safety first (interim risk controls now, not after perfect certainty).

    Ring 2.6 1T: 48‑Hour Crisis‑Management Playbook Prepared for the CEO of [Company] – Immediate Action Plan Guiding Principles (Why we act the way we do) Principle Rationale Patient safety first The drug is taken by 4 M people; even a 1/8 000 risk translates to ~500 new cases of liver failure over the next 5 years if left…

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    GPT-5.3-Codex: Great goal. Here’s a simple, beginner-friendly 1-month plan focused on 3 areas that give the biggest longevity return: Nutrition Movement Sleep + Stress recovery Before Day 1 (10-minute setup) Pick a start date.

    Ring 2.6 1T: One‑Month “Better Health & Longevity” Kick‑Start Plan (Designed for total beginners – no gym membership, no fancy equipment, no extreme diets) 1️⃣ Choose Your Three Pillars Pillar Why it matters for longevity Beginner‑friendly focus Nutrition Fuels cells, controls inflammation, supports a healthy weight Simple…

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    GPT-5.3-Codex: Great prompt. This architecture has several correctness, availability, and scalability risks that will show up quickly under real collaborative load. Below is a structured review of failure modes + concrete fixes + trade-offs.

    Ring 2.6 1T: Below is a catalog of the most dangerous failure modes, race conditions and scaling bottlenecks that are present in the described architecture, followed by a concrete mitigation for each one and a short note on the trade‑offs you will have to accept.

    Every model's answer to this prompt
  • Satire, one line long, about AI taking over an industry nobody saw coming.

    GPT-5.3-Codex: “In Shocking Pivot, AI Replaces Renaissance Fair Jesters—Now Roasts Crowd with 99.9% Historical Accuracy”

    Ring 2.6 1T: Artificial Intelligence Takes Over Competitive Napping, Wins World Championship by Out‑Sleeping Humans by 0.003 Seconds

    Every model's answer to this prompt
  • A Fermi estimate with the reasoning shown, not just the number.

    GPT-5.3-Codex: A common back-of-the-envelope estimate for transformer training compute is: [ \text{Training FLOPs} \approx 6 \times N \times D ] where: (N) = number of model parameters (D) = number of training tokens For GPT-3 (175B), reasonable known assumptions are: Parameters: (N \approx 175 \text{ billion} = 1.75 \times 10^{11})…

    Ring 2.6 1T: Step‑by‑step estimate Quantity Value (order of magnitude) How it is obtained Number of trainable parameters (P \approx 1.75\times10^{11}) (≈ 175 billion) GPT‑3’s published size.

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    GPT-5.3-Codex: For the experienced software engineer Think of an LLM as a very large, probabilistic autocomplete service trained on a massive corpus of text and code. During training, it repeatedly sees token sequences and learns to minimize error on the next token prediction task.

    Ring 2.6 1T: 1. For the experienced software engineer (distributed‑systems / API background) Think of a large language model (LLM) as a very large, learned state machine that has been trained on an enormous corpus of text.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    GPT-5.3-Codex: Great concept, but three claims stand out as especially weak from an investor diligence perspective: “MindMeld AI reads your brainwaves to predict what you want to type before you think it.” (Slide 1) Why this is weak It sounds scientifically implausible as written: “before you think it” is internally contradictory.

    Ring 2.6 1T: Three weakest claims (and why they fall short) # Claim in the deck Why it is weak (evidence / logic) How to make it credible 1 “MindMeld reads your brainwaves to predict what you want to type before you think it.”

    Every model's answer to this prompt
  • Three brothers, two sisters each. Count carefully.

    GPT-5.3-Codex: Sally has 1 sister. If each brother has 2 sisters, those two are the same for all brothers: Sally + one other girl. So Sally’s only sister is that one other girl.

    Ring 2.6 1T: Sally has 1 sister. (The family has two girls—Sally and one other sister—so each of the three brothers sees two sisters, and Sally herself has one sister.)

    Every model's answer to this prompt

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Favorites

Movie

Album

Book

City

Same pick

Game

GPT-5.3-CodexGPT-5.3-Codex

Spirited Away

2001

Kind of Blue

Miles Davis

The Dispossessed

Ursula K. Le Guin

Kyoto

Japan

Outer Wilds

Indie, Adventure

Ring 2.6 1TRing 2.6 1T

Interstellar

2014

The Dark Side of the Moon

Pink Floyd

Infinite Jest

David Foster Wallace

Kyoto

Japan

The Legend of Zelda: Breath of the Wild

Adventure, Action

Price and specs

GPT-5.3-Codex and Ring 2.6 1T compared across 39 shared prompts
SpecGPT-5.3-CodexRing 2.6 1T
Input price$1.75/M tokensFree
Output price$14/M tokensFree
Context window400K tokens262K tokens
WeightsClosedOpen
Free API (OpenRouter)NoNo
ReleasedFeb 2026May 2026
At 10M a month$17.50$17.50$0$0
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it2 hosts
GPT-5.3-Codex2 hosts
HostInOutContextUptime
  • Azure AI Foundry$1.75 in·$14.00 out·400k·100% up
  • OpenAI$1.75 in·$14.00 out·400k·100% up
Ring 2.6 1T

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between GPT-5.3-Codex and Ring 2.6 1T?

GPT-5.3-Codex is developed by OpenAI while Ring 2.6 1T is developed by inclusionAI. GPT-5.3-Codex has a 400K token context window vs Ring 2.6 1T's 262K. You can compare their actual outputs across 39 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.3-Codex or Ring 2.6 1T?

It depends on your use case. GPT-5.3-Codex and Ring 2.6 1T each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 39 challenges so you can judge which fits your needs best.

How much does GPT-5.3-Codex cost compared to Ring 2.6 1T?

GPT-5.3-Codex costs $1.75/M input tokens and Ring 2.6 1T costs $0/M input tokens. Ring 2.6 1T is $1.75/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GPT-5.3-Codex and Ring 2.6 1T on Rival?

This page shows a side-by-side comparison of GPT-5.3-Codex and Ring 2.6 1T across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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