chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	20

🔄 Updated Models

• codex-mini-latest
• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• o4-mini-deep-research-2025-06-26
• gpt-realtime
• gpt-realtime-2025-08-28
• gpt-realtime-mini
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-audio-mini
• gpt-4o-audio-preview
• gpt-4o-mini-audio-preview-2024-12-17
• gpt-image-1.5
• chatgpt-image-latest
• gpt-image-1
• gpt-image-1-mini
• sora-2-pro
• gpt-4o-mini-tts
• gpt-4o-transcribe
• gpt-4o-mini-transcribe

Model Coverage (129 models across 6 batches)

Batch	Models	Count
1	gpt-5.4, gpt-5.4-pro, gpt-5.3, gpt-5.2, gpt-5.1, gpt-5 families	25
2	gpt-5-nano/pro, gpt-5-search, codex-mini-latest, gpt-4.1, gpt-4o, gpt-4-turbo	25
3	o1, o1-pro, o3, o3-pro, o3-mini, o3-deep-research, o4-mini, o4-mini-deep-research, computer-use, legacy gpt-4/3.5	25
4	gpt-realtime, gpt-realtime-mini, gpt-4o-realtime, gpt-4o-mini-realtime, gpt-audio, gpt-audio-mini, gpt-4o-audio, gpt-4o-mini-audio	22
5	gpt-image-1.5, chatgpt-image-latest, gpt-image-1, gpt-image-1-mini, dall-e-2, dall-e-3, sora-2, sora-2-pro, gpt-4o-mini-tts, gpt-4o-transcribe, gpt-4o-mini-transcribe	16
6	tts-1, tts-1-hd, whisper-1, text-embedding-3-small, text-embedding-3-large, text-embedding-ada-002, omni-moderation, legacy gpt-3.5/davinci/babbage	16

Pricing Sources

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

Notable Pricing

• gpt-5.4: $2.50/$15.00 per MTok (standard), long context: $5.00/$22.50
• gpt-5.4-pro: $30/$180 per MTok (standard)
• o1-pro: $150/$600 per MTok
• Realtime models include both text and audio token pricing
• Image models include per-image pricing tiers (low/medium/high)

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Generated by Pricing Agent on 2026-03-12