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Models
gpt-5.4github_copilot
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Context Length
272K
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Max Output
128K
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Input Cost
$2.50/M
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Output Cost
$15.00/M
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Mode
Chat
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Max Input Tokens
272K
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Supported Endpoints
/v1/chat/completions, /v1/responses
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Provider
Github Copilot
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Response Schema
Yes
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Parallel Function Calling
Yes
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Deprecation Date
2026-10-19
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Comparison Insights
Comprehensive analysis based on the latest model metadata from the comparison table above.
What should I know about gpt-5.4?
Overview
- gpt-5.4 is a chat model provided by Github Copilot.
- With a context window of 272K tokens, this model can handle substantial inputs such as detailed documents or extended conversation histories.
Pricing
- Input processing costs $2.50 per million tokens.
- Output generation costs $15.00 per million tokens.
Output Capabilities
- The model can generate up to 128K tokens in a single response.
Availability
- Available through the following endpoints: /v1/chat/completions, /v1/responses.
- Please note: This model is scheduled for deprecation on 2026-10-19.
What capabilities does gpt-5.4 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.
- Supports structured response schemas for consistent, predictable output formatting.
- Enables parallel function calling to execute multiple operations simultaneously for improved efficiency.
gpt-5.4 Pricing Overview
At $2.50 per 1M input tokens and $15.00 per 1M output tokens, gpt-5.4 ranks 3339 out of 4042 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 16% of models in this category.