HomeModel ComparisonsGPT-5.5 vs GPT-5.5 Pro

GPT-5.5vsGPT-5.5 Pro

Which model is more cost-effective? Compare pricing, context window limits, and run live calculations below.

0 Tokens
Expected Output TokensEstimate generation cost

GPT-5.5

OpenAI • 256,000 Context
Input (per 1M)
$5
Output (per 1M)
$30
Est. Total Cost$0.0000

GPT-5.5 Pro

OpenAI • 512,000 Context
Input (per 1M)
$30
Output (per 1M)
$180
Est. Total Cost$0.0000

In-Depth Comparison: GPT-5.5 vs GPT-5.5 Pro

When choosing between GPT-5.5 (by OpenAI) and GPT-5.5 Pro (by OpenAI), developers must weigh API pricing and context window limits.

GPT-5.5 offers a context window of 256,000 tokens at an input cost of $5 per 1M tokens. On the other hand, GPT-5.5 Pro provides a 512,000 token context window, priced at $30 per 1M input tokens. This helps developers find the best balance between performance and budget.

Frequently Asked Questions

Which is cheaper: GPT-5.5 or GPT-5.5 Pro?
GPT-5.5 charges $5 per 1M input tokens, whereas GPT-5.5 Pro charges $30. For output, GPT-5.5 is $30 vs $180 for GPT-5.5 Pro.
What is the context window difference between GPT-5.5 and GPT-5.5 Pro?
GPT-5.5 offers a context window of 256,000 tokens. In comparison, GPT-5.5 Pro supports up to 512,000 tokens.
Who provides GPT-5.5 and GPT-5.5 Pro?
GPT-5.5 is provided by OpenAI, and GPT-5.5 Pro is developed by OpenAI.