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  5. GPT-6 SolvsSeed 2.0 Lite
Updated Sep 2026

GPT-6 SolvsSeed 2.0 Lite

Seed 2.0 Lite is cheaper than GPT-6 Sol at $0.25/M vs $2/M input tokens.

GPT-6 Sol and Seed 2.0 Lite compared across 20 shared prompts
SpecGPT-6 SolSeed 2.0 Lite
Input price$2/M tokens$0.25/M tokens
Output price$10/M tokens$2/M tokens
Context window1.1M tokens262K tokens
WeightsClosed—
Free API (OpenRouter)NoNo
ReleasedSep 2026Mar 2026
Side by side

Same prompt, both answers

Opening lines from 6 of the 20 prompts both answered. Formatting stripped, words untouched.

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…

GPT-6 Sol937 words
Tidal Orchard Seared scallops · strawberry–kombu gel · white-miso and white-chocolate beurre blanc · sea-lettuce oil · buckwheat lace The unexpected pairing is scallop and strawberry. Both have a gentle sweetness, but strawberry’s acidity makes the scallop taste more distinctly of the sea.
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Seed 2.0 Lite996 words
Dish Name: Twilight Shared: Lizard Peninsula & Mount Emei A 3-Michelin-star worthy tasting menu main course, rooted in a personal and ecological narrative that merges the chef’s two childhood homes: the rugged coastal moors of the Lizard Peninsula (Cornwall, UK) and the mist-shrouded highlands of China’s Mount Emei.
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Debug This Architecture

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

GPT-6 Sol1,130 words
The central flaw is that the system treats collaborative edits as independent writes to a document. They are not: edits need a shared ordering and a merge protocol. Adding API servers or read replicas will not fix that. Issue and failure mode Specific solution Trade-off Client-clock last-write-wins loses work.
Read the full answer
Seed 2.0 Lite1,144 words
Below is a structured breakdown of all flaws in the architecture, categorized by type, with specific, actionable solutions and their inherent tradeoffs: Race Conditions Issue Description Solution Tradeoffs Client clock skew breaks LWW conflict resolution: Raw client wall clocks can be minutes/hours off, leading to…
Read the full answer

Adversarial Contract Review

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

GPT-6 Sol1,032 words
This draft is heavily one-sided. Every numbered section contains a term the Client could use against the Contractor. The suggestions below are negotiating language, not a determination that a clause is enforceable: that depends on the governing law, the parties’ locations, and the facts of the engagement.
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Seed 2.0 Lite1,371 words
Below is a structured breakdown of all one-sided, exploitative clauses in this agreement, their risks to the contractor, required modifications, and binding legal reasoning supporting those changes: Scope Clause (Clause 1) Exploitation Risk: The open-ended right to modify scope without additional compensation lets…
Read the full answer

Startup Pitch Teardown

Here's a pitch deck summary for a startup called "MindMeld AI": **Slide 1 - Vision:** "We're building the future of human-AI collaboration.…

GPT-6 Sol245 words
Weak claim Why it’s weak How to strengthen it “Decode neural patterns into text with 94% accuracy. Works with any language, any device.” “Accuracy” has no defined unit: characters, words, or selecting from a small set of prompted phrases could produce very different results.
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Seed 2.0 Lite635 words
Below are the 3 weakest claims in the MindMeld AI pitch, their flaws, and concrete fixes to strengthen them: Weak Claim: The $180B total addressable market (TAM) targeting all 3.5B global smartphone users Why it’s weak: This claim is mathematically contradictory to the pitch’s own cited data and demonstrates…
Read the full answer

Advanced Longevity Plan (Biohacker)

Develop a comprehensive, cutting-edge 3-month longevity plan for a biohacker aiming to optimize longevity, physical and cognitive…

GPT-6 Sol1,402 words
A 12-week longevity and performance plan The highest-confidence longevity strategy is not a large supplement stack. It is consistent sleep, resistance training, aerobic fitness, adequate nutrition, cardiometabolic risk management, and avoiding tobacco.
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Seed 2.0 Lite421 words
3-Month Cutting-Edge Longevity Plan for Biohackers This evidence-based, personalized plan is built to reverse biological age (target: 2–5 year reduction via GlycanAge testing), boost VO2 max by 12%, improve working memory by 18%, and optimize core longevity biomarkers (hs-CRP 8%).
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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…

GPT-6 Sol986 words
I would not wait six months or wait for the earnings call. An internal signal of liver failure in a widely used drug warrants immediate patient-protection measures and prompt contact with regulators, even while causality and the precise risk are being checked.
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Seed 2.0 Lite1,049 words
Overarching Guiding Principle I anchor all actions to the truth that hiding the side effect is not only unethical but also financially and legally catastrophic: the 40% stock drop cited is a worst-case scenario for a leaked, unplanned disclosure.
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Our Verdict
GPT-6 Sol
GPT-6 Sol
Seed 2.0 Lite
Seed 2.0 LiteRunner-up

Not enough votes to call it. On the specs, GPT-6 Sol has the edge: bigger model tier, newer, bigger context window, major provider backing.

Seed 2.0 Lite costs 5.0x less per token.

Slight edge

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GPT-6 Sol
Input
$2.00
Output
$10.00
Seed 2.0 Lite
Input
$0.25
8.0× cheaper
Output
$2.00
5.0× cheaper

Seed 2.0 Lite is cheaper on both: 8.0× input, 5.0× output.

Where to run it

4 hosts, cheapest first

GPT-6 Sol3 hosts
HostInOutContextUptime
Azure AI Foundry$2.00 in·$10.00 out·1.1M·96.6% upOpenAI$2.00 in·$10.00 out·1.1M·100% upAmazon Bedrock$2.20 in·$11.00 out·1.1M·99.9% up
Seed 2.0 Lite1 host
HostInOutContextUptime
ByteDance Seedfp8$0.25 in·$2.00 out·262k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GPT-6 Sol is developed by OpenAI while Seed 2.0 Lite is developed by ByteDance. GPT-6 Sol has a 1.1M token context window vs Seed 2.0 Lite's 262K. You can compare their actual outputs across 20 challenges on Rival to see how they differ in practice.

It depends on your use case. GPT-6 Sol and Seed 2.0 Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 20 challenges so you can judge which fits your needs best.

GPT-6 Sol costs $2/M input tokens and Seed 2.0 Lite costs $0.25/M input tokens. Seed 2.0 Lite 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.

This page shows a side-by-side comparison of GPT-6 Sol and Seed 2.0 Lite 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.

Keep exploring

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Model pages

GPT-6 Sol logo
GPT-6 Sol20 outputs, specs and price
Seed 2.0 Lite logo
Seed 2.0 Lite53 outputs, specs and price
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