DeepSeek V4

Perplexity Agent API adds DeepSeek V4 Pro at $1.32 per million input tokens

The model docs list perplexity/deepseek-v4-pro-0813 at $1.32 per million input tokens, $0.044 per cached input token million, and $3.96 per million output tokens. It is also available through the Orchestrator API.

Vals Index: Muse Wonder Full fourth, DeepSeek V4.1 Flash 1017 eighth at $0.66 per test

The Vals Index, updated October 22, 2026, ranks Muse Wonder Full fourth at 66.79% and Muse Wonder sixth at 64.88%. DeepSeek V4.1 Flash 1017 is eighth at 61.26% for $0.66 per test, GLM 5.3 ninth at 59.73%, Grok 4.7 12th at 58.56% and Kimi K3 19th at 52.95%.

DHS orders US federal civilian agencies to remove DeepSeek products

A Department of Homeland Security order published in the Federal Register on October 20, 2026 tells federal civilian agencies to stop buying DeepSeek products, including third-party products built with DeepSeek technology, and remove them from their systems. Agencies can request exceptions within 60 days.

Action needed:

If you sell to US federal civilian agencies, check whether your product uses DeepSeek models.

Epoch: DeepSeek-V4.1-Flash-1017 scores 93% on GPQA Diamond and 71% on FrontierMath tiers 1-3

Epoch benchmark data, with runs started October 19, 2026, records deepseek-v4.1-flash-1017 at max effort at 0.932 on GPQA Diamond, 0.712 on FrontierMath tiers 1-3 and 0.463 on tier 4.

DeepSeek starts billing server-side search and fetch calls October 31

Search and Fetch API calls cost $0.75 per 1,000 requests. Calls made through server-side tools in DeepSeek Harness, Claude Code and Codex are free until billing starts at 16:00 UTC on October 31, 2026.

DeepSeek-V4.1-Flash-1017 update released with open weights

DeepSeek released DeepSeek-V4.1-Flash-1017 on its website, app and API with stronger benchmarks, faster task completion and shorter outputs, and published the weights on Hugging Face. deepseek-flash now serves this version.

DeepSeek-V4.1-Flash in public preview on Gemini Enterprise Agent Platform

DeepSeek lowers API prices with V4.1-Flash