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.
September 2026 note: OpenAI released GPT-6 Astra on 3 September, but the free plan and Plus’s normal chat stay on GPT-5.6 - GPT-6 only reaches Work, Codex, and the Pro/Business tiers. Full GPT-6 Astra details.
Quick comparison
| ChatGPT | Gemini | |
|---|---|---|
| Company | OpenAI | |
| Free plan | GPT-5.6 Luna, unlimited text | Flash-Lite only since October 9, with limits |
| 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, since October 9, 2026, only gives you the Flash-Lite models, with limits that refresh every few hours; Gemini 3.7 Flash and Pro are now for paid subscriptions. On free plans, ChatGPT now clearly leads.
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.
Up-to-date information and search
This is Gemini’s historical advantage, and it still holds: it’s connected to Google Search and reaches recent information more reliably. For researching current events, checking facts, or finding something that happened this week, it’s the more direct option.
ChatGPT browses too, but the experience is slower and less consistent, with more of a tendency to cite secondhand sources.
Search verdict: 🏆 Gemini
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.
Writing
ChatGPT keeps the edge. Its text has more personality and needs less rewriting; Gemini produces correct but more generic results, with a clear tendency toward list structures and neutral paragraphs.
Writing verdict: 🏆 ChatGPT
Code
Gemini has closed a lot of the gap. Gemini 3.7 Flash jumped from 49.0% to 65.3% on the DeepSWE v1.1 benchmark compared to the previous version - more than 16 points in three weeks - and Google has explicitly aimed the model at coding and agentic workflows, with its Antigravity environment and presence in Android Studio.
ChatGPT still has the edge on the full workflow, with Codex built into ChatGPT Work and code execution inside the chat.
Code verdict: 🏆 ChatGPT, with Gemini closing in fast
Images and video
Both generate images natively. Google uses Nano Banana Pro, with wider access on the AI Pro and Ultra plans.
The big difference is video: Gemini includes video generation starting on the $4.99/mo AI Plus plan. ChatGPT does not offer video generation inside the chat.
One mark against Gemini: its safety filters are more aggressive. It refuses to generate images of public figures and is more conservative on historical or controversial topics, which gets in the way on perfectly legitimate tasks.
Multimedia verdict: 🏆 Gemini for video, ChatGPT for fewer filters
Gemini 4 Argon: Google’s flagship has finally arrived
For months this section said Google hadn’t shipped its high-end model. That has changed: Google announced Gemini 4 Argon on 30 September 2026 with limited access and opened it up broadly on 13 October. We haven’t found any release of a “Gemini 3.5 Pro”: Argon is the current flagship.
- Where it is: in the Gemini app and AI Mode in Search for Google AI Pro and Ultra subscribers; in Antigravity, Ultra only; and through the paid API (not the free API tier). The free app plan doesn’t get it, and since October 9 it only offers Flash-Lite.
- API price: $2 per million input tokens and $10 output as an introductory price through 30 November; from 1 December it rises to $4 / $20.
- Context window: 1 million tokens.
- Performance (Google’s own figures, not yet independently verified): 77.9% on DeepSWE v1.1 versus 74.2% for Claude Opus 5.5 and 74.1% for GPT-6 Astra, but behind Opus 5.5 on Terminal-Bench 4.0 (57.4% versus 66.4%) and behind GPT-6 Astra on FrontierSWE v2 (55.0% versus 65.5%).
What it means for you: if you pay for Google AI Pro you can already try Google’s strongest model from the app, without jumping to Ultra. One catch: the API price is promotional and doubles in December.
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.