GPT-5.6 Sol price reduced by 50%
gpt-5 openai
| Source: HN | Original article
OpenAI slashes GPT-5.6 Sol prices by 50% on AI Gateway, a month‑long discount through September 18 covering all token types and tiers.
OpenAI has slashed the price of its flagship GPT‑5.6 Sol model by half, offering a 50 % discount on the AI Gateway platform through September 18. The cut applies across all token types, service tiers, regions and operating modes, but only to requests routed directly through AI Gateway – it does not extend to “bring‑your‑own‑key” (BYOK) deployments.
The move follows a broader trend of aggressive pricing adjustments in OpenAI’s GPT‑5.6 lineup. Earlier in the year the company introduced a tiered cost structure for its Sol, Terra and Luna variants, with Sol listed at $5 per 1 M input tokens (or $30 per 1 M output tokens) before the latest discount. The reduced rate brings Sol’s baseline cost down to roughly $2.50 per 1 M input tokens, aligning it more closely with the lower‑priced Terra and Luna tiers and making the model’s 1.1 million‑token context window more accessible to developers and enterprises.
The discount matters because GPT‑5.6 Sol powers a range of high‑throughput applications, from large‑scale content generation to complex reasoning tasks. Halving the cost can translate into substantial savings for businesses that run heavy token volumes, potentially accelerating adoption of the model in production pipelines and encouraging experimentation with more ambitious prompts.
What to watch next is whether OpenAI extends the promotion beyond the September deadline or repeats similar cuts for other models. The Daybreak program’s alias system – currently mapping “daybreak‑blue‑latest” to Sol and “daybreak‑red‑latest” to the newer Cyber variant – suggests that future frontier models may inherit comparable pricing tweaks. Observers will also be tracking any adjustments to the four‑tier service structure and the 272 K surcharge that were introduced after the July 30 price revision.
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