The best AI for research

Which model to use for research, why, and how to try it without paying for three separate subscriptions.

Model data updated: 2026-10-04

Top pick: ChatGPT

Broad general knowledge and a habit of laying out trade-offs rather than picking blindly.

The most widely used general-purpose assistant, with the broadest ecosystem of tools and integrations.

  • Balanced quality across almost every task
  • Strongest tool and plugin ecosystem
  • Reliable multimodal (image) understanding
Representative modelProviderContextInputOutput
GPT-5.6 TerraOpenAI128K$0.50$1.50

per 1M tokens. Prices are the providers’ list prices in USD per million tokens and can change at any time. Use them for comparison, not billing.

Also good

Gemini

Strong price-to-performance with fast responses and generous free access — the model behind Blend’s free trial.

Claude

Favoured for long documents, careful reasoning and natural writing, with very large context windows.

Try this question

Compare these three options and tell me which fits my case.

In Blend you do not have to choose manually — Auto sends this kind of question to the model above.

ChatGPT models you can use in Blend

ModelContextInputOutputImages
GPT-5.6 Terra128K$0.50$1.50Yes
GPT-5.2128K$0.50$1.50Yes
GPT-5.4 mini128K$0.50$1.50Yes
GPT-5.4 nano128K$0.50$1.50Yes

Blend currently exposes 4 ChatGPT models with published pricing or context figures.

Tasks where ChatGPT is the first pick

Frequently asked

The best AI for research

ChatGPT (OpenAI). Broad general knowledge and a habit of laying out trade-offs rather than picking blindly. In Blend you do not have to choose manually — Auto sends this kind of question to the model above.

Try this question

Compare these three options and tell me which fits my case.

Can I ask ChatGPT and Gemini the same question at once?

Yes. Blend sends one question to both and puts the answers side by side, and a second model can fact-check the first. There is a free daily tier with no signup.

Blend — one question, multiple AIs, better answers

Try Blend freeSee pricing

Related comparisons

Model capabilities and prices change often. Figures come from Blend’s automatically synced registry and are shown for comparison. All model prices · Terms · Privacy Policy · Refund