chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	63

🔄 Updated Models

• gpt-5.4-mini
• gpt-5.4-mini-2026-03-17
• gpt-5.4-nano
• gpt-5.4-nano-2026-03-17
• gpt-5.4
• gpt-5.4-2026-03-05
• gpt-5.3-chat-latest
• gpt-audio-1.5
• gpt-realtime-1.5
• gpt-5.3-codex
• gpt-5.2-codex
• chatgpt-image-latest
• gpt-4o-mini-transcribe-2025-03-20
• gpt-4o-mini-transcribe-2025-12-15
• gpt-5.2-chat-latest
• gpt-5.2-pro
• gpt-5.2-pro-2025-12-11
• gpt-5.2
• gpt-5.2-2025-12-11
• gpt-image-1.5
• gpt-5.1-codex-max
• gpt-5.1-codex-mini
• gpt-5.1-codex
• gpt-5.1
• gpt-5.1-2025-11-13
• gpt-5.1-chat-latest
• sora-2-pro
• gpt-audio-mini
• gpt-5-pro
• gpt-5-pro-2025-10-06
• ... and 33 more

Data Sources

• Models API: OpenAI Models API (128 models, ft:* excluded)
• Pricing: LiteLLM model_prices_and_context_window.json (fallback — OpenAI pricing page blocked by Cloudflare)

Coverage

All 128 models from the OpenAI API processed across 6 batches:

• Batch 1 (25): gpt-5.4-mini/nano/pro, gpt-5.3, gpt-5.2-pro, audio/realtime/TTS/transcribe models
• Batch 2 (25): gpt-5.2, gpt-5.1, gpt-5-search-api, sora-2, gpt-realtime-mini, gpt-audio-mini, gpt-5-pro/codex/nano/mini
• Batch 3 (25): gpt-5, o4-mini-deep-research, o3-deep-research, o3-pro, gpt-4o-realtime-2025-06-03, gpt-image-1, gpt-4.1 family, o4-mini, o3
• Batch 4 (25): o4-mini/o3 versioned, gpt-4o-mini-tts, o1-pro, transcribe, search-preview, computer-use-preview, gpt-4o-2024-11-20, o3-mini, realtime-preview, o1, audio-preview
• Batch 5 (24): gpt-4o family, gpt-4-turbo, gpt-3.5-turbo variants, embeddings, TTS, DALL-E 2/3, legacy models
• Batch 6 (4): tts-1, gpt-3.5-turbo, whisper-1, text-embedding-ada-002

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Generated by Pricing Agent on 2026-04-10