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More than 25 models in one chat, and the same question answered side by side.

One question, four models

We asked the same question of four models in Chatly on 29 September 2026. The answers are exactly what came back.

Explain in three short sentences, for someone buying their first home, what a mortgage offset account is and who it suits.
Claude 5 Sonnet45s

A mortgage offset account is a savings account linked to your mortgage: the money sitting in it is subtracted from your loan balance before interest is calculated, so you pay interest only on the difference. The trade-off is that you earn no interest on the savings, but the interest saved is tax-free and usually beats what a savings account pays. It suits first-home buyers with a decent cash buffer or an irregular income — freelancers, commission earners, or anyone keeping an emergency fund — rather than people who'd rather spend every spare pound on extra repayments.

GPT 5.6 Terra21s

A mortgage offset account is a savings account linked to your home loan — the balance is subtracted from what you owe before interest is calculated, so you pay interest on less. You earn no interest on the money, but you save interest on your loan, and those savings are tax-free. It suits first-home buyers who keep a cash buffer or irregular income (like bonuses) in savings, rather than those who'd simply put every spare pound into extra repayments.

Gemini 3.1 Pro15s

A mortgage offset account is a savings or transaction account linked to your home loan, where the balance is subtracted from what the lender calculates interest on — so $20,000 sitting in it means you're charged interest as if your loan is $20,000 smaller. You earn no interest on the account itself, but the interest you save on your loan is effectively tax-free, which often beats a regular savings account. It suits first-home buyers with a cash buffer or irregular income who want instant access to their money, rather than those who would put every spare dollar into extra repayments.

Grok 4.524s

A mortgage offset account is a savings or transaction account linked to your home loan, where the balance is subtracted from the loan amount before interest is calculated — so $20,000 in the account means you only pay interest on the loan minus $20,000. Because the "interest" you save isn't earned income, it's effectively tax-free, which makes it more efficient than earning interest in a regular savings account. It suits first-home buyers with a decent cash buffer, irregular income, or savings they want to keep instantly accessible — but if you'd rather throw every spare dollar at extra repayments, a basic variable loan may serve you better.

Our take: All four were correct and kept to three sentences. Claude and GPT wrote in pounds and stayed general; Gemini and Grok used a $20,000 example, which makes the idea easier to picture but assumes dollars. Gemini was quickest on this run.

Every model in Chatly

29 models, with the note Chatly shows for each, as of 29 September 2026. Pick any of them in the same chat.

Claude logoClaude by Anthropic

  • Claude Opus 5.5Anthropic's newest Opus.
  • Claude 5 OpusFrontier agentic coding & enterprise work.
  • Claude Fable 5Frontier reasoning & agentic power.
  • Claude 4.8 OpusMost intelligent model for complex tasks.
  • Claude 5 SonnetFrontier coding & agents, Sonnet speed.
  • Claude 4.6 SonnetBest for coding & deep analysis.
  • Claude 4.7 Opus
  • Claude 4.5 HaikuOur fastest, most concise model.

ChatGPT logoGPT by OpenAI

  • GPT-6 AstraOpenAI's GPT-6 flagship.
  • GPT 5.6 LunaFrontier family, fastest responses.
  • GPT 5.6OpenAI's newest frontier flagship.
  • GPT 5.6 SolFlagship power for the hardest problems.
  • GPT 5.6 TerraBalanced power for everyday work.
  • GPT 5.5Ultimate reasoning, complex task planning.
  • GPT 5.4 ProHighest-precision GPT-5.4 variant
  • GPT 5.4
  • GPT 4oVersatile multimodal content generation.

Gemini logoGemini by Google

  • Gemini 3.1 ProDeep research & multi-step logic.
  • Gemini 3.6 FlashSharper Flash, leaner outputs.
  • Gemini 3.5 FlashFrontier intelligence, Flash speed.
  • Gemini 3.1 Flash LiteUltra-fast, light, efficient utility.
  • Gemini 3.5 Flash LiteFastest Gemini, built for volume.

Grok logoGrok by xAI

  • Grok 4.5Opus-class reasoning, token-efficient.
  • Grok 4Sharp logic, unfiltered insights.
  • Grok 4.3Expanded context, deeper reasoning.

DeepSeek logoDeepSeek by DeepSeek

  • DeepSeek V4Sharp reasoning, deep analysis.

Kimi logoKimi by Moonshot AI

  • Kimi K3Open-weight frontier agentic coding.
  • Kimi K2.6Long-context reasoning & analysis.

MiniMax logoMiniMax by MiniMax

  • MiniMax M3Agentic reasoning & efficient coding.

Which model for which job

A starting point, taken from Chatly's own notes on each model. Try two on your own task and keep the one you like.

JobTryChatly's note
Quick everyday questionsGPT 5.6 LunaFrontier family, fastest responses.
Everyday writing and workGPT 5.6 TerraBalanced power for everyday work.
Hard problemsGPT 5.6 SolFlagship power for the hardest problems.
Coding and agent workClaude 5 OpusFrontier agentic coding & enterprise work.
Research and multi-step logicGemini 3.1 ProDeep research & multi-step logic.
Long documentsKimi K2.6Long-context reasoning & analysis.
Lots of quick, light tasksGemini 3.5 Flash LiteFastest Gemini, built for volume.

Head-to-head comparisons

  1. Claude vs ChatGPT

    Four prompts answered by Claude 5 Opus and GPT 5.6 Sol, plus plans and prices.

  2. Chatly vs Manus

    Two general AI agents, compared honestly.

  3. Chatly vs Genspark

    Two Super Agents, and where each is stronger.

Chatly plans

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  • Build and publish websites
  • Create presentation-ready slides
  • Deep research with citations
  • Generate docs, sheets and audio
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  • AI ad creator
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Ultra

$183/ month, billed quarterly

Built for power users who never hit limits

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  • Flash, Pro and Ultra modes
  • Unlimited concurrent agent tasks
  • 25 scheduled tasks
  • Connect all 40+ apps
  • 25 knowledge bases
  • Commercial usage rights
  • Build and publish websites
  • Create presentation-ready slides
  • Deep research with citations
  • Generate docs, sheets and audio
  • Generate images and videos
  • AI ad creator
  • AI video editor
  • Early access to new models

Chatly for Teams: pooled credits and shared seats, from three seats. Talk to us

Common questions

Which AI models can I use in Chatly?

More than 25, including Claude 5 Opus and Sonnet, GPT 5.6 Sol, Terra and Luna, Gemini 3.1 Pro, Grok 4.5, DeepSeek V4, Kimi K3 and MiniMax M3.

Which AI model is best?

It depends on the job. On the question on this page, all four models gave a correct, clear answer; they differed in length, examples and currency.

Can I switch models in the same chat?

Yes. Pick a different model from the picker and ask again.

Do I need a separate subscription for each model?

No. All the models in Chatly's picker come with your Chatly plan.

How did you compare the models?

We sent the same question to Claude 5 Sonnet, GPT 5.6 Terra, Gemini 3.1 Pro and Grok 4.5 in Chatly on 29 September 2026 and show the answers exactly as they came back.

Ask once. Compare as many as you like.

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Model names belong to their makers and are used here only to describe what is available in Chatly. No endorsement is implied.

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