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OpenAI

GPT-5.5 (high)

Released: Apr 23, 2026
Tracked since: 2026-07-23

Intelligence index37Ranks 62 of 664 models with this metric

Coding index71.6Ranks 42 of 259 models with this metric

Agentic index34.3Ranks 57 of 156 models with this metric

Capability profile

5 axes vs. site average

GPT-5.5 (high)

Site average

Pricing

per 1M tokens

Input: $5.00
Output: $30.00
Cache read: $0.500

Performance

Output throughput: 94 tokens/sec
Time to first token: 17.19s
First answer token: 17.19s
End-to-end response: 22.51s

History

6

Intelligence index

53.1→37

Output

Unchanged across 62 days of records

Output throughput

72→94

Cheaper at this level

Models with a comparable intelligence index and a lower output price

Qwen3.8-Flash-NextAlibabaIntelligence 39.8$0.470−98%
GLM 5.3 FlashZ AIIntelligence 41.8$0.500−98%
GPT-6 Luna (max)OpenAIIntelligence 37.3$0.500−98%
MiMo-V2.6-ProXiaomiIntelligence 46.3$0.870−97%
DeepSeek V4.1 Flash (Reasoning, Max Effort)DeepSeekIntelligence 39.5$1.20−96%