AI Price War 2026: OpenAI, Anthropic, DeepSeek and Z.ai Are Rewriting the Rules
OpenAI cut prices, Anthropic froze a planned hike, and DeepSeek raised API costs by up to 1,100%. What it means for developers and businesses.
AI Price War 2026: OpenAI, Anthropic, DeepSeek and Z.ai Are Rewriting the Rules
The price of artificial intelligence is moving in two directions at once. In the same week, OpenAI slashed prices on two of its models, Anthropic quietly canceled a planned price hike, and DeepSeek — the Chinese lab that built its reputation on cheap AI — raised its API prices by as much as 1,100 percent. Add Z.ai’s newly released GLM-5.3, an open-weights model with cybersecurity skills that reportedly grew faster than its own developers expected, and it’s clear the AI industry is entering a new, more volatile phase of competition. Here’s what actually happened, and what it means if you build on or pay for these models. OpenAI Cuts Prices, Citing “Efficiency Gains” On July 30, 2026, OpenAI reduced pricing on two of its GPT-5.6 models, as reported by Forbes . GPT-5.6 Luna, the company’s lightweight option, dropped 80 percent. GPT-5.6 Terra, a mid-tier model, saw a 20 percent cut. Model Input (per million tokens) Output (per million tokens) Change GPT-5.6 Luna $0.20 $1.20 −80% GPT-5.6 Terra $2.00 $12…
