DeepSeek · model APIs and agent infrastructure

DeepSeek V4.1 · Harness

SOURCE CHECK

DeepSeek’s current API catalog distinguishes the Flash serving alias from its underlying model version. Its agent offering includes a developer-preview harness and search/fetch APIs, rather than a single all-purpose agent app.

Latest briefings

REPORTED

Product updates DeepSeek

DeepSeek web and API services hit partial outage

According to IT Home, DeepSeek's web and API services suffered a partial outage on November 7, 2026, with users seeing a "server temporarily unavailable" message in conversations. The report cited DeepSeek's official status page as saying the company was investigating and that the disruption had lasted more than three minutes. No cause, scope or restoration time was given.

AI summary · Media reportOriginal source ↗Read brief →
REPORTED

Agents & tools DeepSeek

DeepSeek details Super-agent architecture with Router and Worker layers

According to IT Home, DeepSeek Harness published a design article on a Super-agent architecture that splits work between a Router handling human interaction and global context and isolated Worker sessions running tasks in parallel. It describes event triggers, speculative execution and an asynchronous ReAct loop, and says a prototype plugin is for validating the approach, not an official product.

AI summary · Media reportOriginal source ↗Read brief →
SOURCE

Models & research DeepSeek

DeepSeek upgrades Flash model to V4.1-Flash-1017

DeepSeek says it has upgraded its Flash model to DeepSeek-V4.1-Flash-1017, and that the official web and app models now use the new version. The vendor reports benchmark gains over V4.1 and says task runtime and output length were reduced. API calling method and pricing are unchanged, with access through the deepseek-flash model name. DeepSeek also opened its in-house search API.

AI summary · Official sourceOriginal source ↗Read brief →

Latest models & families

As listed on 2026-10-23

Selected current official listings; specialized models and access stages are identified separately.

DeepSeek models and uses
Model / familyPositioning & use
DeepSeek-V4.1-Flash-1017 ↗API versionThe current model behind the deepseek-flash API alias.
DeepSeek-V4-Pro-0813 ↗API versionThe current Pro version listed under the deepseek-v4-pro identifier.

Agent tools & products

Where to start

For an integration, verify both the stable API alias and the model version it currently serves. Third-party coding tools can use DeepSeek as a backend; that does not make those tools DeepSeek products.

Official sources

Checked 2026-10-23 · Original introductions based on vendor documentation, not hands-on reviews.

Availability and product terms can change. Current means checked on the date above, not a live feed or a claim to list every model.