Price change alerts

Get told when a price you depend on changes. Every alert carries the date the change was observed and a link to the source, exactly like the pages.

What an alert looks like

No mystery, no signing up blind. This is a real message built from the changes currently in the database:

Changes recorded by Bertrande since your last alert.
Every figure below carries the date it was observed and links to its source.

* TheDrummer: UnslopNemo 12B
  Maximum output: 26 214 to 819 200 (up 3025.0%)
  Observed 2026-09-06. https://bertrande.com/en/ai/openrouter/thedrummer--unslopnemo-12b/

* Qwen: Qwen3 235B A22B Instruct 2507
  Maximum output: 16 384 to 235 929 (up 1340.0%)
  Observed 2026-09-12. https://bertrande.com/en/ai/openrouter/qwen--qwen3-235b-a22b-2507/

* NVIDIA: Nemotron 3 Super
  Maximum output: 16 384 to 235 929 (up 1340.0%)
  Observed 2026-09-14. https://bertrande.com/en/ai/openrouter/nvidia--nemotron-3-super-120b-a12b/

* Mistral: Mistral Medium 3.5 (batch)
  Maximum output: 26 214 to 209 715 (up 700.0%)
  Observed 2026-09-07. https://bertrande.com/en/ai/openrouter/mistralai--mistral-medium-3-5:batch/

* deepseek-ai/DeepSeek-V4-Flash-Vision-Exp (on DeepInfra)
  Context window: 131 072 to 1 048 576 (up 700.0%)
  Observed 2026-09-03. https://bertrande.com/en/ai/deepinfra/deepseek-ai--deepseek-v4-flash-vision-exp/

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How we verify: https://bertrande.com/en/methodology/
Download the data: https://bertrande.com/en/data/

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What we send, and what we deliberately do not

An alert goes out only for a change that passed every filter we apply to the site itself: a confirmed change, above 2% in size, from a source we are allowed to publish. Changes we classify as a suspicious cluster or as a floating price never reach your inbox. On the first day of collection, 81 of 123 detected changes were held back on those grounds. A false alert costs far more than a missed one, because it arrives in your mailbox.

What we do with your address

• We store the address, and nothing else. No name, no company, no profiling.
• Double opt-in. Nothing is sent until you confirm from a link we email you, so nobody can subscribe you against your will.
• Every message carries a plain-text part, written by us, with no images and nothing for us to measure. Our sending relay wraps it in minimal HTML, which we verified on a real message and state here rather than pretend otherwise.
• One-click unsubscribe in every message, pointing at this domain, and the address is dropped on the spot. Verified on a received message: the relay carries our own List-Unsubscribe header through, it does not substitute its own.
• No resale, ever. There is nothing here worth selling and we would not sell it.

Status

Email alerts are open, and nothing is sent until you confirm from a link we email you.