chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	31

🔄 Updated Models

• gpt-5.4-pro
• gpt-5.4-pro-2026-03-05
• gpt-5.3-codex
• gpt-5.2-codex
• gpt-5.1-codex
• gpt-5.1-codex-max
• gpt-5-codex
• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• o1-mini-2024-09-12
• o4-mini-deep-research-2025-06-26
• gpt-4o-realtime-preview-2024-10-01
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-realtime
• gpt-realtime-1.5
• gpt-realtime-mini
• gpt-realtime-mini-2025-10-06
• gpt-realtime-mini-2025-12-15
• gpt-realtime-2025-08-28
• gpt-audio
• gpt-audio-1.5
• gpt-audio-mini
• gpt-4o-transcribe
• gpt-4o-mini-transcribe
• gpt-image-1
• gpt-image-1.5
• gpt-image-1-mini
• chatgpt-image-latest
• gpt-4o-audio-preview
• ... and 1 more

Data Sources

Models API

• Source: OpenAI Models API (get_openai_models)
• Total models: 128 (fine-tuned ft:* models excluded by tool)
• Key families: gpt-5.4.x, gpt-5.3.x, gpt-5.2.x, gpt-5.1.x, gpt-5.x, gpt-4.1.x, gpt-4o.x, o-series, audio/realtime, image, TTS, transcription, embeddings, DALL-E, Sora, legacy

Pricing Reference

• Source: LiteLLM model_prices_and_context_window.json (GitHub raw content)
• URL: https://raw.githubusercontent.com/BerriAI/litellm/main/model_prices_and_context_window.json
• Note: OpenAI pricing page (https://platform.openai.com/docs/pricing) was inaccessible due to Cloudflare protection and exhausted Firecrawl credits; LiteLLM community JSON used as authoritative alternative pricing source

Model Batches Processed

Batch	Models	Count
1	gpt-5.4.x, gpt-5.3.x, gpt-5.2.x, gpt-5.1.x, gpt-5 (base)	25
2	gpt-5.x variants, gpt-4.1.x, gpt-4o.x, gpt-4o-mini	25
3	O-series (o4-mini, o3, o3-mini, o3-pro, o1, o1-pro, deep-research), computer-use, codex	21
4	Realtime, audio, TTS, transcription, tts-1	25
5	TTS legacy, whisper, embeddings, moderation, legacy GPT, base models	21
6	Image models (gpt-image-1.x, dall-e, chatgpt-image, sora) + gpt-4o-audio	11
Total		128

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Generated by Pricing Agent on 2026-04-10