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GPT 5.5

GPT 5.5 is the standard tier of the GPT-5.5 model family, advancing the GPT-5 series with stronger intent understanding, deeper autonomous work, and improvements across coding, research, data analysis, and document creation.

ReasoningTool UseWeb SearchImplicit CachingFile InputVision (Image)websocket-realtime
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'openai/gpt-5.5',
prompt: 'Why is the sky blue?'
})

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Model
Context
Latency
Throughput
Input
Output
Cache
Web Search
Per Query
Capabilities
Providers
ZDR
No Training
Release Date
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277tps
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+4
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123tps
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Read:$0.02/M
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1.1M
0.9s
67tps
$2.50/M
$15.00/M
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+4
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3.8s
340tps
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Read:$0.03/M
Write:
$14/K
+ input costs
+3
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08/07/2025
131K
0.1s
1336tps
$0.35/M$0.75/M
Read:$0.25/M
Write:
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+5
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1M
0.5s
182tps
$0.10/M$0.40/M
Read:$0.03/M
Write:
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+ input costs
+2
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openai logo
04/14/2025