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

• codex-mini-latest
• 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-mini-tts
• gpt-4o-transcribe
• gpt-4o-mini-transcribe
• sora-2-pro
• gpt-image-1
• gpt-image-1-mini
• gpt-image-1.5
• chatgpt-image-latest

Model → Pricing Page Mapping

Batch	Models	Count
1	GPT-5.4, GPT-5.3, GPT-5.2, GPT-5.1, GPT-5, mini, nano, pro, codex variants	25
2	GPT-5 remaining, codex-mini-latest, GPT-4.1, GPT-4o, GPT-4-turbo, search-preview	25
3	o1, o1-pro, o3, o3-pro, o3-mini, o3-deep-research, o4-mini, o4-mini-deep-research, computer-use-preview	18
4	gpt-realtime, gpt-audio, gpt-4o-realtime-preview, gpt-4o-audio-preview, gpt-4o-mini-realtime/audio/tts	25
5	gpt-4o-transcribe, whisper-1, tts-1/hd, sora-2, gpt-image-1/1.5, chatgpt-image-latest, dall-e-2/3, embeddings, moderation	23
6	gpt-4, gpt-4-turbo variants, gpt-3.5-turbo variants, davinci-002, babbage-002	13

Total: 129 entries (128 from API + codex-mini-latest alias from pricing page)

Pricing Source: https://platform.openai.com/docs/pricing (Standard tier)

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Generated by Pricing Agent on 2026-03-12