Source-linked model comparison
OpenAI: GPT-4o (2024-08-06) vs OpenAI: GPT-5.1-Codex
This comparison shows retrieved facts only. API costs use each source's per-token prices for a 1,000-input / 500-output request.
OpenAI: GPT-4o (2024-08-06)
- Provider
- openai
- Context window
- 128,000 tokens
- Input price
- $0.0000025 per token
- Output price
- $0.00001 per token
- Example API cost
- $0.007500 per 1,000-input / 500-output request
- Source
- OpenRouter
OpenAI: GPT-5.1-Codex
- Provider
- openai
- Context window
- 400,000 tokens
- Input price
- $0.00000125 per token
- Output price
- $0.00001 per token
- Example API cost
- $0.006250 per 1,000-input / 500-output request
- Source
- OpenRouter