In one sentence
ChatGPT (OpenAI), Claude (Anthropic) and Gemini (Google) are the 3 dominant AI chatbots in 2026. They're 80% similar but each has its strengths and specificities. We'll help you choose the one that suits you.
📊 Want to compare all models in detail?
30+ AI models compared side by side: price, performance, GDPR, language.
The identity of each AI
2026 identity card
| 💬ChatGPT | 🤖Claude / Gemini | |
|---|---|---|
| Company | OpenAI (USA) | Anthropic (USA) / Google (USA) |
| Launch | November 2022 | March 2023 / December 2023 |
| Flagship model 2026 | GPT-5 | Claude Opus 4.7 / Gemini 3 Pro |
| Active users | ~700M/month (#1) | Claude: ~80M / Gemini: ~400M |
| Total funding | ~$50 billion | Claude: ~$30 billion / Gemini: Google budget |
| Recognised speciality | Versatility and recognition | Claude: writing/code / Gemini: multimodal |
Raw performance: who wins what?
Here are the real results on the 2026 benchmarks:
Performance by task (% correct answers 2026)
Reading: on the 2026 benchmarks, Claude Opus 4.7 leads on reasoning and code. Gemini is competitive everywhere. GPT-5 remains very good, especially as a generalist. The gaps are small (3-5 points), for most uses, all 3 are excellent.
Detailed strengths and weaknesses
📚Strengths and weaknesses: full analysis
ChatGPT (OpenAI) 💬
🟢 Strengths:
- The simplest to use, intuitive interface
- Complete toolbox: DALL-E (images), Sora (video), Whisper (transcription), Custom GPTs
- Massive community: tutorials everywhere, plugins, integrations
- Voice mode very successful (real conversation)
- Excellent mobile app (iOS/Android)
🔴 Weaknesses:
- Sometimes becomes flattering ("What an excellent question!") which annoys
- Hallucinations more frequent than Claude on facts
- Less strong than Claude for complex code or long-form writing
Claude (Anthropic) 🎯
🟢 Strengths:
- #1 in writing (fluid style, few AI-isms)
- #1 in complex code and multi-step reasoning
- Nuanced: acknowledges its limits, refuses less arbitrarily
- Less flattering, more direct
- Computer Use: can control your computer (agents)
- Projects: can analyse long documents (200K+ tokens)
🔴 Weaknesses:
- No native image generation (need to use other tools)
- Less known = fewer tutorials and plugins
- Mobile app less polished than ChatGPT (evolving)
- Available in fewer countries (but in France ✅)
Gemini (Google) 🌐
🟢 Strengths:
- Integrated into all Google: Gmail, Docs, Sheets, YouTube
- 1 million tokens of context (the biggest)
- Native multimodal: text + image + audio + video
- The cheapest of the 3 leaders
- Excellent at translation and multilingual
- NotebookLM (AI research tool) free
🔴 Weaknesses:
- Less strong at writing than Claude
- Tied to Google: sometimes random refusals (strict moderation)
- Bard/Gemini historical confusion for users
- Less customisable (no Custom GPTs)
How much does it cost?
2026 pricing
| 💰Plan | 💸Monthly price | |
|---|---|---|
| ChatGPT free | GPT-5 limited, 10 messages/h | €0 |
| ChatGPT Plus | GPT-5 unlimited, DALL-E, Sora limited | €20 |
| ChatGPT Pro | Everything unlimited, agents, deep research | €200 |
| Claude free | Sonnet 4.7, ~30 messages/h | €0 |
| Claude Pro | Opus 4.7 included, Projects, more messages | €20 |
| Claude Max | Very high volume, priority | €100-200 |
| Gemini free | Gemini 3 Flash limited | €0 |
| Google AI Pro | Gemini 3 Pro + Veo 3 + 2TB Drive | €23 |
| Google AI Ultra | Everything, unlimited, Gemini Ultra | €275 |
Reading:
- Free: all 3 have a decent free version, Claude is the most generous
- Standard €20/month: equivalent
- Intensive Pro: ChatGPT Pro at €200 includes Sora (AI video), Google AI Ultra at €275 includes Veo 3
Which to choose according to your use?
The right choice according to your need
| 🎯You want to... | ✅Choose | |
|---|---|---|
| Discover AI for the first time | Simple interface, free, community | ChatGPT |
| Write a book/blog/pro content | Nuanced style, few AI-isms | Claude |
| Code (professional dev) | Complex code, debug, architecture | Claude |
| Work in Google Workspace | Gmail/Docs/Sheets integrated | Gemini |
| Create images | DALL-E 3 included | ChatGPT |
| Create AI videos | Sora included | ChatGPT Pro |
| Analyse a book/long PDF | Very large context | Gemini or Claude |
| Have a voice conversation | Natural voice mode | ChatGPT |
| Academic research/studies | NotebookLM free | Gemini |
| Brainstorming/creative ideas | Nuanced and original responses | Claude |
And what about French?
All 3 are excellent in French in 2026, but with nuances:
The meal metaphor
Winning combo in 2026: using all 3
Many advanced users combine all 3:
📚The 'multi-AI' combo that's winning
Typical setup of a dev/creative in 2026
For simple daily tasks: ChatGPT free (voice mode, quick questions).
For code and serious writing: Claude Pro (€20/month). Production code, long articles, complex reasoning.
For Google integration: Gemini free or Google AI Pro (€23/month). Gmail summaries, Docs drafts, YouTube video analysis.
Monthly total: €0-43/month for a professional multi-AI setup.
Advantages:
- You benefit from the strengths of each model
- You can compare answers on important questions
- Backup: if one is down (it happens), the others remain
Practical tip: use openrouter.ai to switch between AIs via a single interface. Convenient for comparison.
Recent evolution (what changes what)
2025-2026 changes
Claude 4 releases
Anthropic takes the lead in reasoning and code. Big gain compared to 3.5.
GPT-5 releases
OpenAI catches up in performance, adds integrated Sora (AI video). Reinvents ChatGPT.
Gemini 3 Pro releases
Google explodes in multimodal and context (1M tokens). Veo 3 integrated.
Anthropic MCP wins
Model Context Protocol standard becomes popular for agents.
Claude Opus 4.7 releases
Anthropic becomes #1 in reasoning and code. Strong competition with GPT-5.
Absolutely remember
- ✅ All 3 are excellent in 2026, small gaps on benchmarks (3-5 points)
- ✅ ChatGPT = versatile, best known, complete ecosystem
- ✅ Claude = #1 in writing, code, reasoning. More human
- ✅ Gemini = #1 in multimodal and Google integration. The cheapest
- ✅ All free to start, €20/month for regular use
- ✅ Winning combo: use all 3 for different tasks
The real advice: test all 3 for free for 1 week and keep the one you prefer. For 80% of users, any of them does the job.
Which AI chatbot is generally considered best for writing in French in 2026?
To go further
- ⚖️ Open source vs proprietary : Mistral, Llama vs these 3 leaders
- 💰 Pay or not for an AI?, free or Pro, we decide
- 🧠 What is an LLM?, understand how it works behind the scenes