chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	40

🔄 Updated Models

• gpt-5.2-pro
• gpt-5.2-pro-2025-12-11
• gpt-5.1-codex-mini
• gpt-5-pro
• gpt-5-pro-2025-10-06
• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• gpt-4o-search-preview
• gpt-4o-search-preview-2025-03-11
• o3
• o3-2025-04-16
• o4-mini-deep-research
• o4-mini-deep-research-2025-06-26
• computer-use-preview
• computer-use-preview-2025-03-11
• gpt-realtime
• gpt-realtime-2025-08-28
• gpt-realtime-1.5
• gpt-realtime-mini
• gpt-realtime-mini-2025-10-06
• gpt-realtime-mini-2025-12-15
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-audio
• gpt-audio-2025-08-28
• gpt-audio-1.5
• gpt-audio-mini
• gpt-audio-mini-2025-10-06
• gpt-audio-mini-2025-12-15
• gpt-4o-audio-preview
• ... and 10 more

Model Coverage (128 models)

Batch	Models	Count
1	GPT-5.4, GPT-5.3, GPT-5.2, GPT-5.1, GPT-5, GPT-5-mini (+ versioned aliases)	25
2	GPT-5-nano, GPT-5-search, GPT-4.1, GPT-4o, GPT-4-turbo, GPT-3.5 families	25
3	GPT-4 legacy, O4-mini, O3, O3-pro, O3-mini, O3/O4 deep-research, O1, O1-pro, computer-use	25
4	GPT-realtime, GPT-realtime-mini, GPT-4o-realtime, GPT-audio, GPT-4o-audio, GPT-3.5-instruct/16k, davinci, babbage	25
5	GPT-4o-audio-mini, TTS, Transcribe, Whisper, Embeddings, Moderation, Sora-2, GPT-image-1/1.5/mini	25
6	DALL-E 3, DALL-E 2, chatgpt-image-latest	3

Pricing Sources

• Standard tier pricing from https://platform.openai.com/docs/pricing
• Model list from OpenAI Models API (ft:* models excluded)

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Generated by Pricing Agent on 2026-03-12