DeepSeek API changelog

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.

Who is affected:

Developers using DeepSeek models in Claude Code, Codex or DeepSeek Harness with web search.

What to do:

Expect new per-request charges for search and fetch after October 31, 2026.

DeepSeek lowers API prices with V4.1-Flash

DeepSeek lowered API prices with the V4.1-Flash launch, keeping off-peak rates at 50% of peak, effective 04:00 UTC on September 10, 2026. The pricing page lists deepseek-flash at $0.30 input (cache miss) and $1.20 output per 1M tokens at peak.

DeepSeek introduces peak and off-peak API pricing

DeepSeek updated API pricing with peak and off-peak rates, with off-peak 50% lower than peak, effective 16:00 UTC on August 16, 2026.

Who is affected:

DeepSeek API users, especially those running heavy workloads during peak hours.

What to do:

Schedule flexible batch workloads in off-peak hours.