🟢 Mis à jour juin 2026
DeepSeek vs Grok : Comparatif Complet (2026)
DeepSeek et Grok sont tous deux populaires — mais avec des points forts différents. Voici ce que disent les données.
⚡ Quick comparison
| Feature | DeepSeek | Grok |
|---|---|---|
| Rating | ★★★☆☆ 7.9/10 🏆 Winner | ★★★☆☆ 7.8/10 |
| Monthly price | Free | $16 |
| API (input / output per 1M) | $0.14 / $0.28 | $5 / $15 |
| Context window | 128K tokens | 131K tokens |
| Free tier | ✅ Yes | ❌ No |
| Provider | DeepSeek AI | xAI |
| Best for | Budget coding projects, Research | Real-time news analysis, Social media monitoring |
🧠 LLM Benchmark Deep-Dive
| Metric | DeepSeek | Grok |
|---|---|---|
| Context window | 128K | 131K 🏆 Larger |
| Cost — 1M input tokens | $0.14 | $5 |
| Cost — 1M output tokens | $0.28 | $15 |
| Cost per 10k support tickets (800 tokens avg) | $1.68 | $80.00 |
| Free tier | ✅ Yes | ❌ No |
| Overall rating | 7.9/10 🏆 | 7.8/10 |
🏢 Enterprise use cases
| Use case | DeepSeek | Grok |
|---|---|---|
| Customer support automation | ⚠️ Possible | ⚠️ Possible |
| Document analysis | ⚠️ Basic | ⚠️ Basic |
| Code generation | ✅ Strong | ⚠️ 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 $19–$59/month. Use our ROI Calculator for your exact volume.
✅ DeepSeek — Pros
- Extremely cheap API ($0.14/M)
- Strong coding and math
- Open-source weights available
- Free to use
❌ DeepSeek — Cons
- Data stored in China (privacy risk)
- Banned in some enterprises
- Less reliable uptime
- No GDPR compliance
✅ 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, DeepSeek obtient un meilleur score global (7.9/10 vs 7.8/10). Cependant, Grok gagne sur certains scénarios spécifiques.
- Choisissez DeepSeek si: Budget coding projects, Research, Non-sensitive internal tools
- Choisissez Grok si: Real-time news analysis, Social media monitoring, Less-filtered creative writing
❓ Questions fréquentes
DeepSeek est-il meilleur que Grok ?
DeepSeek scores higher overall (7.9/10 vs 7.8/10). The best choice depends on your use case — see the verdict above.
Lequel est moins cher : DeepSeek ou Grok ?
DeepSeek at $0/month vs $16/month for Grok.
Pour quoi DeepSeek est-il le meilleur ?
Budget coding projects, Research, Non-sensitive internal tools.
Pour quoi Grok est-il le meilleur ?
Real-time news analysis, Social media monitoring, Less-filtered creative writing.
DeepSeek ou Grok ont-ils une offre gratuite ?
DeepSeek 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.