OpenAI and Anthropic slash prices in aggressive push against open source AI models
OpenAI lowered GPT-5.6 Luna pricing by 80%, and Anthropic introduced Claude Opus 5.5 at prices 20% below Opus 5. The two price moves were presented as part of a broader push in the AI model market.
What this rests on
What it means
Each sentence links inside to the piece that supports it.
In practice, the pricing terms available for these two models are different from before: OpenAI’s GPT-5.6 Luna is now priced lower, and Anthropic’s Claude Opus 5.5 sits below Opus 5. What does not change from these pieces alone is whether access, features, or model behavior changed with the new pricing, because only the price adjustments are stated.
Market reaction
The move was larger before the first headline than after. That is an observation, not an explanation: the market also moves on things nobody publishes.
How the story was built
Every piece in order, with the time its news medium declares — if it is not believable we use ours and say so — and what it added to what was already known at that point. Arriving first is not the same as adding something.
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Where this sits in the Artificial Inu series
| When | What happened | Figure |
|---|---|---|
| 21 days ago | AI a 0.2797 $ high | today it sits -67.3 % from there |
| 3 days ago | AI a 0.07677 $ low | today it sits +19.3 % from there |
From what we have stored, starting 22 days ago.