GPT-5.3 Codex
GPT-5.3 Codex by OpenAI: 2 offers. From €1.56 per 1M input tokens, with EU processing from €1.56.
Calculate costs for this modelCompare offersView price history
Profile
| Profile | |
|---|---|
| Developer | OpenAI |
| Type | Language models |
| Origin | US |
| Input types | text+bild |
| Context (tokens) | 400,000 |
| Max. output (tokens) | 128,000 |
| Reasoning | mit |
| Parameters (bn) | – |
| Open weights | – no |
| Licence | proprietär |
| Released | – |
Offers with processing in the EU (1)
| Provider | Country | Variant | Input | Output | Source | As of |
|---|---|---|---|---|---|---|
| Azure OpenAI | US | global | €1.56 | €12.51 | azure.microsoft.com | 13 Oct 2026 |
€ per 1M tokens. Source: providers' pricing pages, read and checked by searchit. As of 14 Oct 2026.
Offers outside the EU (1)
| Provider | Country | Variant | Input | Output | Source | As of |
|---|---|---|---|---|---|---|
| Venice.ai | US | standard | €1.96 | €15.64 | docs.venice.ai | 14 Oct 2026 |
€ per 1M tokens. Source: providers' pricing pages, read and checked by searchit. As of 14 Oct 2026.
AI Act
Whether the developer has signed the Code of Practice for general-purpose AI models: unknown. What this means is explained under “EU and AI Act”. EU processing and AI Act
Benchmarks
| Benchmarks | |
|---|---|
| GPQA Diamond (Artificial Analysis) | 91.5 |
| Humanity's Last Exam (Artificial Analysis) | 42.5 |
| SWE-bench Verified (Epoch AI) | 74.8 |