HomeModel ComparisonsGPT-5.5 Pro vs GPT-5.4 Mini

GPT-5.5 ProvsGPT-5.4 Mini

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 Pro

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

GPT-5.4 Mini

OpenAI • 128,000 Context
Input (per 1M)
$0.75
Output (per 1M)
$4.5
Est. Total Cost$0.0000

In-Depth Comparison: GPT-5.5 Pro vs GPT-5.4 Mini

When choosing between GPT-5.5 Pro (by OpenAI) and GPT-5.4 Mini (by OpenAI), developers must weigh API pricing and context window limits.

GPT-5.5 Pro offers a context window of 512,000 tokens at an input cost of $30 per 1M tokens. On the other hand, GPT-5.4 Mini provides a 128,000 token context window, priced at $0.75 per 1M input tokens. This helps developers find the best balance between performance and budget.

Frequently Asked Questions

Which is cheaper: GPT-5.5 Pro or GPT-5.4 Mini?
GPT-5.5 Pro charges $30 per 1M input tokens, whereas GPT-5.4 Mini charges $0.75. For output, GPT-5.5 Pro is $180 vs $4.5 for GPT-5.4 Mini.
What is the context window difference between GPT-5.5 Pro and GPT-5.4 Mini?
GPT-5.5 Pro offers a context window of 512,000 tokens. In comparison, GPT-5.4 Mini supports up to 128,000 tokens.
Who provides GPT-5.5 Pro and GPT-5.4 Mini?
GPT-5.5 Pro is provided by OpenAI, and GPT-5.4 Mini is developed by OpenAI.