GPT-5.5

by OpenAI · openai/gpt-5.5

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

Input / 1M tokens
$5.00
Output / 1M tokens
$30.00
Context
1.05M

Specs

Input price$5.00 / 1M tokens
Output price$30.00 / 1M tokens
Cached input$0.50 / 1M tokens
Context window1.05M tokens
Max output128K tokens
Readsfile, image, text
Writestext
Tool callingYes
ReasoningYes
ListedApr 24, 2026

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

7 providers serve this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderContextMax outputInput / 1MOutput / 1MCache read / 1MUptime (30 min)Latency (median)Throughput (median)SupportsStatus
OpenAICheapest1.05M128K$2.50$15.00$0.25—6.54 s107 tok/sNormal
Azure1.05M128K$5.00$30.00$0.5088.9%2.86 s43 tok/sNormal
OpenAI1.05M128K$5.00$30.00$0.50100%2.04 s49 tok/sNormal
Amazon Bedrock1.05M128K$5.50$33.00$0.55———Normal
Azure1.05M128K$5.50$33.00$0.55———Normal
Azure1.05M128K$5.50$33.00$0.55—5.74 s53 tok/sNormal
OpenAIFastest1.05M128K$12.50$75.00$1.25—1.23 s133 tok/sNormal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.