OpenAI and Anthropic cut language model prices by up to 80% in July 2026. The reduction was announced by minimaxir.com. The models are used to process and generate text.
OpenAI cut the price of its Luna model by 80%, while Anthropic announced cuts for Claude Sonnet 5 and Opus 5.5. Anthropic's Opus 5.5 model became 40 to 60% cheaper than before. Moonshot AI also joined the competition with the launch of Kimi K3.1 Pro, which has performance comparable to Opus 5.5 but at a lower price.
DeepSeek V4.1 Flash 1017 also competed with models from major companies, offering lower costs. Prices vary according to usage volume and are available in the US. OpenAI's Luna model dropped from US$ 1 to US$ 0.10 per unit, an 80% cut. Anthropic's Opus 5.5 also fell, reaching US$ 0.50 per unit, 40 to 60% cheaper than before. These values vary according to usage volume, with higher prices for large volumes. Availability in Brazil has not yet been confirmed.
Price and availability
| Version | Price | Market | Availability |
|---|---|---|---|
| Luna | US$ 1 / US$ 6 / US$ 0.10 | US | available |
| Sonnet 5 | US$ 2 / US$ 10 / US$ 0.20 | US | available |
| Opus 5 | US$ 5 / US$ 25 / US$ 0.50 | US | available |
| All versions | US$ 1 / US$ 6 / US$ 0.10 | — | — |
| All versions | US$ 2 / US$ 10 / US$ 0.20 | — | — |
| All versions | US$ 5 / US$ 25 / US$ 0.50 | — | — |
"Not disclosed": the source did not give the figure, and the newsroom does not estimate prices.
Price cuts amid race for market share
Price cuts amid race for market share: The cut was announced by minimaxir.com, which noted that DeepSeek and Moonshot AI have entered the fray with lower-cost models. The change came amid a race for market share, with companies seeking to attract developers and organizations that use language models for real-time data processing. The cut could significantly affect operating costs for users who depend on these models, especially in regions where prices have not been confirmed, such as Brazil.
Price cut due to processing efficiency
The price cut for Opus 5.5 may be explained by improvements in LLM infrastructure. According to Anthropic, the model requires fewer processing resources than Opus 5, and its price reflects that. Lower costs make room for greater processing volume. OpenAI cut the price of Luna by 80%, allowing a higher volume of processing without an increase in spending. The change could affect competitiveness in the language model market.
With information from minimaxir.com and techmeme.com.
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