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CATCH #1531 DETECTED SEP 22, 2026 15:20 UTC
THE CATCHscore 9/10
EXHIBIT 1531 · FLASH
Sep 22, 2026 15:20 UTC model api OpenRouter
A new DeepSeek v4.1 Flash model with a batch inference capability, 'deepseek/deepseek-v4.1-flash:batch', has appeared in OpenRouter's API.

READY TO POST:

deepseek v4.1 flash batch inference just popped up in the openrouter api. could be interesting for cost-effective, high-throughput jobs.

seeing a new deepseek/deepseek-v4.1-flash:batch model id on openrouter. batch inference is a nice add for optimizing those larger workloads.

EVIDENCE — the receipts
New model id(s) appeared in OpenRouter's API model list:
https://openrouter.ai/api/v1/models

  + deepseek/deepseek-v4.1-flash:batch

A model id in a provider's live API usually predates the public announcement. High-confidence pre-announcement signal.

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