# Perplexity — GPT-5.6 price cuts and Sol Fast mode

- Company: Perplexity (perplexity.ai)
- Announced: 2026-08-10T19:31:05+00:00
- Category: pricing-change
- Subject: Sonar
- Models affected: GPT-5.6 Luna, GPT-5.6 Terra, GPT-5.6 Sol
- Pricing: GPT-5.6 Luna: $0.20 per million input tokens and $1.20 per million output tokens; GPT-5.6 Terra: $2 per million input tokens and $12 per million output tokens; GPT-5.6 Sol Fast mode: 2× standard token pricing
- Source: https://docs.perplexity.ai/docs/resources/changelog#july-2026
- Record: https://forck.live/items/5064-gpt-5-6-price-cuts-and-sol-fast-mode

Perplexity announces price cuts for GPT-5.6 Luna and Terra, and introduces Fast mode for GPT-5.6 Sol at double standard token pricing.

## Evidence

Verbatim from https://docs.perplexity.ai/docs/resources/changelog#july-2026:

> GPT-5.6 Luna now costs $0.20 per million input tokens and $1.20 per million output tokens. GPT-5.6 Terra now costs $2 per million input tokens and $12 per million output tokens. GPT-5.6 Sol now supports Fast mode at 2× standard token pricing; send
> service_tier: "priority"
> to use it.

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Record: https://forck.live/items/5064-gpt-5-6-price-cuts-and-sol-fast-mode
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