chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	21

🔄 Updated Models

• gpt-5.4-pro
• gpt-5.4-pro-2026-03-05
• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• o4-mini-deep-research-2025-06-26
• gpt-4o-audio-preview
• gpt-audio-mini
• gpt-4o-mini-audio-preview-2024-12-17
• gpt-4o-transcribe
• gpt-4o-mini-transcribe
• gpt-4o-mini-tts
• gpt-4o-mini-tts-2025-03-20
• gpt-4o-mini-tts-2025-12-15
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-realtime
• gpt-realtime-2025-08-28
• gpt-image-1
• gpt-image-1-mini
• gpt-image-1.5
• chatgpt-image-latest

Data Sources

Source	Type	Details
OpenAI Models API (get_openai_models)	API	128 models returned (ft:* excluded)
LiteLLM model_prices_and_context_window.json	Fallback pricing	Used because OpenAI pricing page (platform.openai.com/docs/pricing) returned HTTP 403 (Cloudflare-protected); firecrawl had insufficient credits

Model Coverage (129 total entries)

Batch	Family	Count
1	GPT-5.4, GPT-5.3, GPT-5.2, GPT-5.1, GPT-5 Search API, codex-mini-latest	25
2	GPT-5, GPT-4.1, GPT-4o, GPT-4 Turbo, GPT-4	25
3	GPT-4-0613, GPT-3.5, babbage/davinci, O-series (o1/o3/o4)	25
4	Search preview, computer-use, audio preview, audio, transcribe, TTS	25
5	Realtime, sora, image models, DALL-E, TTS legacy, whisper, embedding-large	25
6	embedding-small, embedding-ada, omni-moderation	4

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Generated by Pricing Agent on 2026-04-11