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OpenAI

GPT-5.5 Instant (June 2026)

Released
Jun 25, 2026
Tracked since
2026-07-23
Intelligence index26Ranks 131 of 664 models with this metric
Coding index39.4Ranks 141 of 259 models with this metric
Agentic index16.6Ranks 92 of 156 models with this metric

Capability profile

5 axes vs. site average
Intelligence26Coding39.4Agentic16.6Throughput156Value0.9
GPT-5.5 Instant (June 2026)
Site average

Pricing

per 1M tokens
Input
$5.00
Output
$30.00
Cache read
$0.500

Performance

Output throughput
156 tokens/sec
Time to first token
1.05s
First answer token
13.90s
End-to-end response
17.11s

History

6
Intelligence index
28.9→26
Output

Unchanged across 62 days of records

Output throughput
165→156

Cheaper at this level

Models with a comparable intelligence index and a lower output price