OpenAIGPT-5.6 Terra (xhigh)
- Released
- Jul 9, 2026
- Tracked since
- 2026-07-23
Intelligence index38Ranks 59 of 664 models with this metric
Coding index70.6Ranks 51 of 259 models with this metric
Agentic index41.4Ranks 38 of 156 models with this metric
Capability profile
5 axes vs. site averageGPT-5.6 Terra (xhigh)
Site average
Pricing
per 1M tokens- Input
- $2.00
- Output
- $12.00
- Cache read
- $0.200
- Cache write
- $2.50
Performance
- Output throughput
- 83 tokens/sec
- Time to first token
- 31.05s
- First answer token
- 31.05s
- End-to-end response
- 37.09s
History
8Intelligence index
51.6→38
Output
$15.00→$12.00
Output throughput
125→83
Cheaper at this level
Models with a comparable intelligence index and a lower output price- Qwen3.8-Flash-Next
AlibabaIntelligence 39.8$0.470−96% - GLM 5.3 Flash
Z AIIntelligence 41.8$0.500−96% - GPT-6 Luna (max)OpenAIIntelligence 37.3$0.500−96%
- MiMo-V2.6-Pro
XiaomiIntelligence 46.3$0.870−93% - DeepSeek V4.1 Flash (Reasoning, Max Effort)
DeepSeekIntelligence 39.5$1.20−90%