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2026/9/4 23:57 (UTC+8) · Price Update · OpenAI 💸 The Codex_Reverse group discount has dropped from 0.7x to 0.5x, half the official price, effective now Background: Codex_Reverse is the Codex reverse-engineered economy channel, launched in July alongside the GPT-5.6 series at a default 0.7x discount, now lowered to 0.5x. Take gpt-5.6-sol as an example: the official price is $4 input / $20 output per 1M tokens, and this group now bills at $2 / $10. Existing Codex_Reverse tokens pick up the new discount automatically with no changes; model names, endpoints and the available model list stay the same. The two groups keep their positioning, pick by need:
  • default official-relay group: official OpenAI API resources, priced line for line with the official rate, recharge bonus on top; for production workloads and tasks that need stability
  • Codex_Reverse group: Codex reverse-engineered resources at a 0.5x discount; for personal learning, coding and other cost-sensitive use, with availability tracking official Codex
See What is the difference between the Codex, ClaudeCode and Default groups for group details, and the GPT-5.6 Sol page for pricing.
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