chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	20

🔄 Updated Models

• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• o4-mini-deep-research-2025-06-26
• gpt-realtime
• gpt-realtime-2025-08-28
• gpt-realtime-mini
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-audio-mini
• gpt-4o-audio-preview
• gpt-4o-mini-audio-preview-2024-12-17
• gpt-4o-transcribe
• gpt-4o-mini-transcribe
• gpt-4o-mini-tts
• sora-2-pro
• dall-e-2
• gpt-image-1.5
• chatgpt-image-latest
• gpt-image-1
• gpt-image-1-mini

Models Processed (129 total)

Batch	Models	Count
1	gpt-5.4, gpt-5.4-pro, gpt-5.3, gpt-5.2, gpt-5.1, gpt-5, gpt-5-mini, gpt-5-nano families	25
2	gpt-5-pro, gpt-5-codex, gpt-5-search-api, gpt-4.1, gpt-4o, computer-use-preview, gpt-4-turbo	25
3	gpt-4 legacy, o1, o3, o3-mini, o3-pro, o3-deep-research, o4-mini, o4-mini-deep-research, gpt-3.5-turbo	25
4	Realtime (gpt-realtime, gpt-4o-realtime, gpt-4o-mini-realtime), Audio (gpt-audio, gpt-4o-audio)	25
5	gpt-4o-mini-audio, transcribe models, TTS, whisper, sora-2, dall-e, embeddings, moderation	25
6	gpt-image-1.5, chatgpt-image-latest, gpt-image-1, gpt-image-1-mini	4

Pricing Source

• API: get_openai_models — 128 model IDs retrieved
• Pricing page: https://platform.openai.com/docs/pricing (Standard tier, scraped with JS expansion of collapsed sections)

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Generated by Pricing Agent on 2026-03-17