Is GPT-5.1 or GPT-5.1 Codex cheaper?
Their total cost is roughly equal: $1.25 / 1M tokens input / $10 / 1M tokens output.
Comparacion de modelos
GPT-5.1 vs GPT-5.1 Codex
Compare GPT-5.1 (OpenAI) and GPT-5.1 Codex (OpenAI) by price, context, capabilities, and latency.
Cual deberias elegir?
- Price: roughly equal total cost ($1.25 / 1M tokens input / $10 / 1M tokens output).
Lado a lado
GPT-5.1 vs GPT-5.1 Codex — comparacion completa
Compara precio, proveedor, contexto, capacidades, latencia y base de la fuente.
| Model | Provider | Input | Output | Context | Capabilities | Best for | Latency | Status | Source |
|---|---|---|---|---|---|---|---|---|---|
| GPT-5.1openai/gpt-5.1 | OpenAI | $1.25 / 1M tokens | $10 / 1M tokens | 400k | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 2042-3635ms | Catalog | Platform curated |
| GPT-5.1 Codexopenai/gpt-5.1-codex | OpenAI | $1.25 / 1M tokens | $10 / 1M tokens | 400k | StreamingTool callingJSON modeVision | image understanding, multimodal chat | 2044-3136ms | Catalog | Platform curated |
FAQ
GPT-5.1 vs GPT-5.1 Codex FAQ
Which has a larger context window, GPT-5.1 or GPT-5.1 Codex?
Both offer the same context window: 400k tokens.
GPT-5.1 vs GPT-5.1 Codex for Vision: which should I pick?
Both target Vision. Pick GPT-5.1 to optimize cost, or GPT-5.1 for the longer context window. Test both on real prompts before committing production traffic.