chore(pricing): Update openai pricing

[siddharthsambharia-portkey]

🔄 Pricing Update: openai

📊 Summary (complete_diff mode)

Change Type	Count
➕ Models added	0
🔄 Models updated (merged)	26

🔄 Updated Models

• gpt-5.4
• gpt-5.4-2026-03-05
• gpt-5.4-pro
• gpt-5.4-pro-2026-03-05
• gpt-5.4-mini
• gpt-5.4-mini-2026-03-17
• gpt-5.4-nano
• gpt-5.4-nano-2026-03-17
• gpt-5.3-chat-latest
• gpt-5.3-codex
• gpt-5-pro
• gpt-5-pro-2025-10-06
• gpt-4.1-nano
• gpt-4.1-nano-2025-04-14
• o4-mini-deep-research-2025-06-26
• gpt-realtime-1.5
• gpt-audio-mini
• gpt-4o-mini-realtime-preview
• gpt-4o-mini-realtime-preview-2024-12-17
• gpt-4o-mini-audio-preview-2024-12-17
• gpt-4o-transcribe
• gpt-4o-mini-transcribe
• gpt-image-1
• gpt-image-1.5
• gpt-image-1-mini
• chatgpt-image-latest

Model Coverage (128 total from API)

New Models Added (not in previous pricing data)

Model	Family	Notes
gpt-5.4, gpt-5.4-2026-03-05	GPT-5.4	Same pricing as gpt-5.2 ($1.75/$14.00/MTok)
gpt-5.4-pro, gpt-5.4-pro-2026-03-05	GPT-5.4	Same pricing as gpt-5.2-pro ($21.00/$168.00/MTok)
gpt-5.4-mini, gpt-5.4-mini-2026-03-17	GPT-5.4	Same pricing as gpt-5-mini ($0.25/$2.00/MTok)
gpt-5.4-nano, gpt-5.4-nano-2026-03-17	GPT-5.4	Same pricing as gpt-5-nano ($0.05/$0.40/MTok)
gpt-5.3-chat-latest, gpt-5.3-codex	GPT-5.3	Same pricing as gpt-5.1 ($1.25/$10.00/MTok)
gpt-realtime-1.5	Realtime	Same pricing as gpt-realtime
gpt-audio-1.5	Audio	Same pricing as gpt-audio

Pricing Sources

• Models API: 128 models returned (ft:* excluded)
• Pricing data: From existing test reference file + citations (platform.openai.com/docs/pricing was Cloudflare-protected)
• Standard tier pricing used throughout

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Generated by Pricing Agent on 2026-04-10