Calculate the cost of using gpt-5.5-pro-2026-04-23 from OpenAI for your AI applications
Pricing data last updated:
Mode: Responses
Max: 1,050,000 tokens
Max: 128,000 tokens
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gpt-5.5-pro-2026-04-23 is a responses model from OpenAI, one of 23 responses models they offer. It is priced at $30.00 per 1M input tokens and $180.00 per 1M output tokens, ranking 46 out of 50 responses models by cost and cheaper than 4% of models in this category. gpt-5.5-pro-2026-04-23 supports vision, function calling, reasoning, web search, prompt caching — one of only 9 responses models with this combination. Its 1,050K-token context window is in the top 16% among responses models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,050,000 input tokens. The maximum output length is 128,000 tokens.
At $30.00 per 1M input tokens and $180.00 per 1M output tokens, gpt-5.5-pro-2026-04-23 ranks 46 out of 50 responses models by input cost. It is more expensive compared to the median of $4.13 for responses models, and is cheaper than 4% of models in this category.
gpt-5.5-pro-2026-04-23 is one of 23 OpenAI responses models, one of only 9 responses models combining function calling, prompt caching, reasoning, vision, web search. its 1,050K-token context window places it in the top 16% of responses models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gpt-5.5-pro-2026-04-23 |
|---|---|---|---|---|
| gpt-5.4-pro | Azure | $30.00 | $180.00 | 0% |
| gpt-5.4-pro-2026-03-05 | Azure | $30.00 | $180.00 | 0% |
| gpt-5.5-pro | Azure | $30.00 | $180.00 | 0% |
Similar responses models from other providers
No. gpt-5.5-pro-2026-04-23 costs $30.00 per 1M input tokens while gpt-5.4-pro costs $30.00 per 1M input tokens, making gpt-5.4-pro 0% more affordable for input. However, gpt-5.5-pro-2026-04-23 may offer different capabilities or performance characteristics that justify the price difference.
gpt-5.5-pro-2026-04-23 input pricing is $30.00 per 1M tokens, which is 627% above the median of $4.13 for responses models. It ranks 46 out of 50 responses models by input cost, making it cheaper than 4% of models in this category. For output, it costs $180.00 per 1M tokens compared to the median of $24.75.
Among OpenAI's 23 responses models, gpt-5.5-pro-2026-04-23 ranks 19 by input cost. Its combination of function calling, prompt caching, reasoning, vision, web search is shared by only 8 other responses models.
The most comparable responses models to gpt-5.5-pro-2026-04-23 are: gpt-5.4-pro from Azure ($30.00/1M input tokens); gpt-5.4-pro-2026-03-05 from Azure ($30.00/1M input tokens); gpt-5.5-pro from Azure ($30.00/1M input tokens); gpt-5.5-pro-2026-04-23 from Azure ($30.00/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
gpt-5.5-pro-2026-04-23 supports up to 1,050,000 input tokens, placing it in the top 16% of responses models by context window size (rank 6 of 50). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
You can monitor OpenAI service health in real time on the Bifrost OpenAI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.
gpt-5.5-pro-2026-04-23 is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $30.00 and generating 1M output tokens costs $180.00.
