OpenAI text vision

GPT-5.5 Instant Pricing & Token Costs

Official API rate card for GPT-5.5 Instant provided by OpenAI. All token pricing is normalized per 1 Million tokens ($/1M).

Token Pricing Rates ($/1M Tokens)

Input Tokens 0.6900 per 1M tokens
Output Tokens 2.8000 per 1M tokens
Prompt Cache Read $0.0690 per 1M tokens
Prompt Cache Write $0.6900 per 1M tokens

Technical Specifications

Provider
OpenAI
Context Window
400k tokens (400,000)
Max Output Tokens
16k tokens (16,384)
Reasoning Architecture
Standard Autoregressive
Supported Modalities
text, vision

Estimated Inference Costs

Example cost calculation for standard application workloads assuming a 3:1 input-to-output token ratio.

100,000 requests (500 in / 150 out) 0.08
1,000,000 requests (1,000 in / 300 out) 1.53
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