OpenAIGPT-5.3 Codex (xhigh)
- Released
- Feb 5, 2026
- Tracked since
- 2026-07-23
Intelligence index32.5Ranks 85 of 664 models with this metric
Coding index—Not tested
Agentic index—Not tested
Capability profile
5 axes vs. site averageGPT-5.3 Codex (xhigh)
Site average
Some dimensions have no data yet — marked on the chart
Pricing
per 1M tokens- Input
- $1.75
- Output
- $14.00
- Cache read
- $0.170
Performance
- Output throughput
- 120 tokens/sec
- Time to first token
- 69.87s
- First answer token
- 69.87s
- End-to-end response
- 74.03s
History
2Intelligence index
44.3→32.5
Output
Unchanged across 62 days of records
Output throughput
140→120
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Qwen3.8-Flash-Next
AlibabaIntelligence 39.8$0.470−97% - GLM 5.3 Flash
Z AIIntelligence 41.8$0.500−96% - GPT-6 Luna (max)OpenAIIntelligence 37.3$0.500−96%
- GPT-6 Luna (xhigh)OpenAIIntelligence 33.9$0.500−96%
- GPT-6 Luna (high)OpenAIIntelligence 32.1$0.500−96%