chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	46

🔄 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
• gpt-4o-mini-search-preview
• gpt-4o-mini-search-preview-2025-03-11
• computer-use-preview
• computer-use-preview-2025-03-11
• o4-mini-deep-research
• o4-mini-deep-research-2025-06-26
• o3-deep-research
• o3-deep-research-2025-06-26
• o3-pro
• o3-pro-2025-06-10
• o3-mini
• o3-mini-2025-01-31
• gpt-realtime
• gpt-realtime-1.5
• gpt-realtime-2025-08-28
• 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
• ... and 16 more

Model Coverage (128 models total)

Batch	Models	Count
1	GPT-5.4, GPT-5.3, GPT-5.2, GPT-5.1, GPT-5, GPT-5-mini, GPT-5-nano + codex variants	25
2	GPT-5 codex/pro/search, GPT-4.1 family, GPT-4o family, GPT-4-turbo	25
3	GPT-4 legacy, O4-mini, O3, O3-pro, O3-mini, O1, O1-pro, GPT-3.5 variants	25
4	GPT-Realtime, GPT-Audio, GPT-4o-Realtime, GPT-4o-Audio, GPT-4o-Transcribe series	25
5	TTS/Whisper, Image models (GPT-Image, DALL-E), Sora, Embeddings, Moderation, Legacy	25
6	GPT-3.5-turbo-instruct, GPT-3.5-turbo-16k	3

Data Sources

• Models API: https://api.openai.com/v1/models (128 models, ft:* excluded)
• Pricing Page: https://platform.openai.com/docs/pricing (Standard tier)

Key Pricing Notes

• gpt-5.4: $2.50/$15.00/MTok with long context at 2x input / 1.5x output
• gpt-5.4-pro: $30/$180/MTok
• Realtime models have both text and audio token pricing
• TTS models priced per 1M characters
• Whisper priced per minute of audio
• Sora priced per second of video output
• Image generation models (gpt-image-*) priced per 1M tokens (token-based)
• DALL-E models use per-image pricing with quality/size tiers

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Generated by Pricing Agent on 2026-03-13