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Add GPT-5.4 Mini and Nano models#8743

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Add GPT-5.4 Mini and Nano models#8743
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Light2Dark/add-gpt-5.4-models

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@Light2Dark Light2Dark commented Mar 17, 2026

Summary

  • Add gpt-5.4-mini and gpt-5.4-nano to the OpenAI models in models.yml
  • Remove older gpt-5-mini and gpt-5-nano entries
  • Update example file reference from gpt-5-nano to gpt-5.4-nano

Pending pydantic-ai to include these

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
@Light2Dark Light2Dark requested a review from akshayka as a code owner March 17, 2026 18:01
Copilot AI review requested due to automatic review settings March 17, 2026 18:01
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Pull request overview

Updates the LLM model catalog to reflect the newer GPT-5.4 “Mini” and “Nano” variants, removing the older GPT-5 “Mini/Nano” entries and updating an example to reference the new model ID.

Changes:

  • Added gpt-5.4-mini and gpt-5.4-nano entries to packages/llm-info/data/models.yml.
  • Removed gpt-5-mini and gpt-5-nano entries from packages/llm-info/data/models.yml.
  • Updated the Pydantic-AI chat example to use gpt-5.4-nano.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File Description
packages/llm-info/data/models.yml Adds GPT-5.4 Mini/Nano and removes GPT-5 Mini/Nano from the model registry.
examples/ai/chat/pydantic-ai-chat.py Updates the example dropdown option from gpt-5-nano to gpt-5.4-nano.

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Comment on lines +87 to +91
- name: GPT-5.4 Mini
model: gpt-5.4-mini
description: A faster, more efficient model optimized for high-throughput workloads
providers: [openai]
roles: [chat, edit]
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