Try Bifrost Enterprise free for 14 days.
Request access[ MODEL COMPARISON ]
Compare gpt-5.5-pro-2026-04-23 with other models
Select another model to compare pricing, limits, and capabilities with gpt-5.5-pro-2026-04-23.
VS
Models
gpt-5.5-pro-2026-04-23openai
-
-
Context Length
1050K
-
Max Output
128K
-
Input Cost
$30.00/M
-
Output Cost
$180.00/M
-
Mode
Responses
-
Max Input Tokens
1050K
-
Max Tokens
128K
-
Supported Endpoints
/v1/responses, /v1/batch
-
Provider
OpenAI
-
Tool Choice
Yes
-
Response Schema
No
-
Parallel Function Calling
Yes
-
Prompt Caching
Yes
-
System Messages
Yes
-
Scale with the Fastest LLM Gateway
Built for enterprise-grade reliability, governance, and scale. Deploy in seconds.
Comparison Insights
Comprehensive analysis based on the latest model metadata from the comparison table above.
What should I know about gpt-5.5-pro-2026-04-23?
Overview
- gpt-5.5-pro-2026-04-23 is a responses model provided by OpenAI.
- This model offers an exceptional context window of 1050K tokens, making it ideal for processing extensive documents, long conversations, or large codebases.
Pricing
- Input processing costs $30.00 per million tokens.
- Output generation costs $180.00 per million tokens.
Output Capabilities
- The model can generate up to 128K tokens in a single response.
Availability
- Available through the following endpoints: /v1/responses, /v1/batch.
What capabilities does gpt-5.5-pro-2026-04-23 support?
- Supports function calling, enabling integration with external tools and APIs for extended functionality.
- Includes vision capabilities to process and analyze images alongside text inputs.
- Features advanced reasoning capabilities for complex problem-solving and multi-step logical tasks.
- Provides web search integration for accessing real-time information and current data.
- Allows explicit tool selection, giving developers fine-grained control over function execution.
- Enables parallel function calling to execute multiple operations simultaneously for improved efficiency.
- Implements prompt caching to reduce costs and latency for repeated or similar queries.
- Supports system messages for customizing model behavior and setting operational parameters.
gpt-5.5-pro-2026-04-23 Pricing Overview
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.