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OpenAI

gpt-5.3-chat-latest

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Model type

Text

Trial status

Trial ready

API routes

3 routes

Catalog created

May 29, 2026

LongCreative

Specifications

ProviderOpenAI
Model IDgpt-5.3-chat-latest
Model TypeText
Trial AccessTrial ready
Release Date2026-06-19
Context Window1M tokens
Endpoints3 routes
anthropicPOST
/v1/messages
openaiPOST
/v1/chat/completions
openai-responsePOST
/v1/responses
Capabilities
Text
LongCreative

Pricing

Input

$1.750

per 1M tokens

Output

$14.000

per 1M tokens

Cache Read

$0.175

per 1M tokens

Cost Estimate

1K in + 1K out$0.0157
10K in + 2K out$0.0455
100K in + 10K out$0.3150

API Example

Endpoint:
curl --request POST \
  --url https://api.aisa.one/v1/chat/completions \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer $AISA_API_KEY' \
  -d '{
    "model": "gpt-5.3-chat-latest",
    "messages": [
      {
        "role": "user",
        "content": "Hello, what can you help me with?"
      }
    ],
    "max_tokens": 1024
  }'
Base URL: https://api.aisa.one
Endpoint: /v1/chat/completions
View API Docs

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