Intelligence Index
0136.1
> 77% OF MODELS
OpenAI
Chatgpt 5 Codex
Updated: July 2026
GPT-5 tuned for code with multimodal understanding.
Specifications
- Context
- 400K
- Input
- $1.25/M
- Output
- $10/M
Capabilities
CODINGVISIONTHINKING
Similarly Priced Models
| Model | Provider | Context | Input Price | Output Price |
|---|---|---|---|---|
| Grok 4.3 | xAI | 1M | $1.25/M | $2.5/M |
| Chatgpt 5.1 Codex | OpenAI | 400K | $1.25/M | $10/M |
| Chatgpt 5.1 (Reasoning) | OpenAI | 400K | $1.25/M | $10/M |
| Chatgpt 5.1 | OpenAI | 128K | $1.25/M | $10/M |
| Chatgpt 5.1 Codex | OpenAI | 400K | $1.25/M | $10/M |
Performance Metrics
Average Response Performance
- Output Speed
- 185.6 tok/s
- Time To First Token
- 8.86s
- Time To First Answer Token
- 8.86s
- End To End Response Time
- 11.55s
DATA SOURCE: Artificial Analysis