These are the two assistants most people are actually choosing between, and in 2026 the gap between them is narrower than the noise suggests. The differences that matter are price at the low end, context length, and which ecosystem your work already lives in.
Quick comparison
| ChatGPT | Gemini | |
|---|---|---|
| Company | OpenAI | |
| Free plan | GPT-5.6 Luna, unlimited text | Gemini 3.7 Flash, very generous |
| Entry plan | $8/mo (Go) | $4.99/mo (AI Plus) |
| Standard plan | $20/mo (Plus) | $19.99/mo (AI Pro) |
| High plan | from $100/mo (Pro) | from $99.99/mo (AI Ultra) |
| Max context | 128K tokens | 1M tokens |
| Image generation | Yes, native | Yes (Nano Banana Pro) |
| Video generation | Not in chat | Yes, from AI Plus |
| App integration | Slack, Drive, Teams via ChatGPT Work | Native in Gmail, Docs, Drive, Calendar |
Price: Gemini wins at every tier, but narrowly
Gemini is cheaper at every level, and meaningfully so only at the entry tier: $4.99 against $8. At the standard tier the difference is 1 cent, which is not a reason to choose anything.
The entry gap matters if you want paid features cheaply. Above that, decide on capability.
Free plans: ChatGPT changed the rules
ChatGPT’s free tier now offers unlimited text chats with GPT-5.6 Luna, plus basic image generation. Gemini’s free tier gives you a current-generation model with very generous limits.
Both are genuinely usable. The honest position is that most people do not need to pay either company, and should confirm that before subscribing.
One thing to factor in if you are in Europe: from 24 August 2026, ChatGPT shows ads on its Free and Go tiers across 31 European countries. Paid tiers stay ad-free.
Context: Gemini’s clearest technical win
1M tokens against 128K is not a marginal difference. If you work with long documents, large codebases or extended research sessions, Gemini simply holds more of it at once, and it is the one specification where the gap is decisive.
Integration: it depends on where you already work
Gemini is native in Gmail, Docs, Drive and Calendar. If your working life is inside Google, nothing else comes close, and this alone decides it.
ChatGPT connects to Slack, Drive and Teams via ChatGPT Work, available from the Plus tier. Broader in reach, shallower in depth.
Verdict by profile
If you live in Google Workspace: Gemini, without much debate. The integration is the product.
If you want the cheapest paid tier: Gemini AI Plus at $4.99/mo.
If you work with very long documents: Gemini, for the 1M context.
If you want the most versatile assistant and the widest ecosystem of tools and integrations: ChatGPT.
If you are not sure: use both free tiers for two weeks. They are good enough that the trial is genuinely informative, and you may find you never need to pay.