🟢 Mis à jour juin 2026
Gemini vs Grok : Comparatif Complet (2026)
Gemini et Grok sont tous deux populaires — mais avec des points forts différents. Voici ce que disent les données.
⚡ Quick comparison
| Feature | Gemini | Grok |
|---|---|---|
| Rating | ★★★★☆ 8.5/10 🏆 Winner | ★★★☆☆ 7.8/10 |
| Monthly price | $20 | $16 |
| API (input / output per 1M) | $1.25 / $5 | $5 / $15 |
| Context window | 1000K tokens | 131K tokens |
| Free tier | ✅ Yes | ❌ No |
| Provider | xAI | |
| Best for | Long document processing, Video analysis | Real-time news analysis, Social media monitoring |
🧠 LLM Benchmark Deep-Dive
| Metric | Gemini | Grok |
|---|---|---|
| Context window | 1000K 🏆 Larger | 131K |
| Cost — 1M input tokens | $1.25 | $5 |
| Cost — 1M output tokens | $5 | $15 |
| Cost per 10k support tickets (800 tokens avg) | $25.00 | $80.00 |
| Free tier | ✅ Yes | ❌ No |
| Overall rating | 8.5/10 🏆 | 7.8/10 |
🏢 Enterprise use cases
| Use case | Gemini | Grok |
|---|---|---|
| Customer support automation | ⚠️ Possible | ⚠️ Possible |
| Document analysis | ✅ Strong | ⚠️ Basic |
| Code generation | ⚠️ Basic | ⚠️ Basic |
| GDPR / EU compliance | ⚠️ Check terms | ⚠️ Check terms |
💡 Cost tip: At 10,000 tickets/month with ~800 tokens per ticket, the API cost difference between these models can be $15–$40/month. Use our ROI Calculator for your exact volume.
✅ Gemini — Pros
- 1M token context window
- Cheapest API among top models
- Native video input
- Deep Google Workspace integration
❌ Gemini — Cons
- Quality inconsistent on complex reasoning
- Weaker coding than Claude
- Privacy concerns for EU
✅ Grok — Pros
- Real-time internet/X access
- Less conservative than Claude
- Strong reasoning (Grok 2)
- Included with X Premium+
❌ Grok — Cons
- Requires X subscription
- Smaller ecosystem
- Less enterprise adoption
- Fewer integrations
🏁 Verdict
D'après une analyse indépendante de benchmarks publics et de données tarifaires, Gemini obtient un meilleur score global (8.5/10 vs 7.8/10). Cependant, Grok gagne sur certains scénarios spécifiques.
- Choisissez Gemini si: Long document processing, Video analysis, Google Workspace users
- Choisissez Grok si: Real-time news analysis, Social media monitoring, Less-filtered creative writing
❓ Questions fréquentes
Gemini est-il meilleur que Grok ?
Gemini scores higher overall (8.5/10 vs 7.8/10). The best choice depends on your use case — see the verdict above.
Lequel est moins cher : Gemini ou Grok ?
Grok at $16/month vs $20/month for Gemini.
Pour quoi Gemini est-il le meilleur ?
Long document processing, Video analysis, Google Workspace users.
Pour quoi Grok est-il le meilleur ?
Real-time news analysis, Social media monitoring, Less-filtered creative writing.
Gemini ou Grok ont-ils une offre gratuite ?
Gemini has a free tier. Grok requires a paid plan.
⚠️ Basé sur une analyse indépendante des données de tarification publiques et benchmarks documentés. Juin 2026. See our methodology.