GPT-4o vs GPT-5.5
| GPT-4o | GPT-5.5 | |
|---|---|---|
| Fournisseur | OpenAI | OpenAI |
| Fenêtre de contexte | 128 000 | 400 000 |
| Date de sortie | 2024-05-13 | — |
| Prix d'entrée | $2.50/ 1M tokens | $5.00/ 1M tokens |
| Prix de sortie | $10.00/ 1M tokens | $30.00/ 1M tokens |
| Idéal pour | chatbot · content creation · vision analysis · voice assistant | coding · professional work · complex reasoning · agents |
Capacités
| GPT-4o | GPT-5.5 | |
|---|---|---|
| Vision | ✓ | ✓ |
| Raisonnement | ✓ | ✓ |
| Codage | ✓ | ✓ |
| Audio | ✓ | ✗ |
| Appel d'outils | ✓ | ✓ |
| Contexte long | ✗ | ✓ |
Comparaison de classement
| GPT-4o | GPT-5.5 | |
|---|---|---|
| Global | 88.5 | 47.1 |
| Benchmark | 90 | 0 |
| Capacité | 85.7 | 85.7 |
| Efficacité prix | 100 | 100 |
| Contexte | 64 | 100 |
Global = Benchmark 50% + Capacité 20% + Efficacité prix 20% + Contexte 10%.
Comparaison de benchmarks
| GPT-4o | GPT-5.5 | |
|---|---|---|
| Codage | — | — |
| Raisonnement | — | — |
| Mathématiques | — | — |
| Vision | — | — |
Historique des prix
GPT-4o
| Date | Entrée | Sortie |
|---|---|---|
| 2026-08-05 | $2.50 | $10.00 |
/ 1M tokens
GPT-5.5
| Date | Entrée | Sortie |
|---|---|---|
| 2026-08-05 | $5.00 | $30.00 |
/ 1M tokens
GPT-4o
OpenAI's flagship multimodal model, fast and capable across text, vision, and audio.
GPT-5.5
OpenAI's most advanced model for coding and professional work, with a 400K context window.
Frequently Asked Questions
Which model is better: GPT-4o or GPT-5.5?
Based on overall scores, GPT-4o ranks higher (88.5 vs 47.1). See the comparison table for a full breakdown.
Which model is cheaper: GPT-4o or GPT-5.5?
GPT-4o is cheaper: $2.5 vs $5 per 1M input tokens.
What are the capability differences between GPT-4o and GPT-5.5?
GPT-4o: Audio; GPT-5.5: Contexte long