All comparisons
GPT-4o (11-20) vs Claude Sonnet 4.6
Side-by-side comparison of specifications, capabilities, and pricing.
| Released | 2024-11-20 | 2026-02-17 |
| Context window | 128K | 200K |
| Parameters | 1.76T (8x222B MoE)* | — |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2023-10 | 2025-12 |
Capabilities | ||
| Multimodal | ||
| Function calling | ||
| Tool use | ||
| JSON mode | ||
Availability | ||
| Providers | — | |