Releases

DeepSeek V4.1 Flash 1017

MiniRouter and DeepSeek V4.1 Flash 1017 by DeepSeek, separated by a silver fold of light on black.

DeepSeek's October update to V4.1 Flash scores higher on every published test with shorter answers, at the same price.

DeepSeek V4.1 Flash 1017 is available on MiniRouter as . The model page has current pricing, provider routes and API setup.

View DeepSeek V4.1 Flash 1017

About the model

  • Release: Oct 17 update. Higher scores and shorter outputs than V4.1 Flash, per DeepSeek.
  • Model limits: 1M context / 384K output. Text and image input on MiniRouter.
  • DeepSeek API ID: deepseek-flash. MiniRouter: .
  • Price: $0.15 / $0.60. DeepSeek list, off-peak input / output per 1M tokens.

Publisher pricing

Pricing below comes from the linked publisher sources and does not represent a MiniRouter route or price.

Publisher-listed API price phases in US dollars per million tokens.
PhaseInput / 1MOutput / 1MBlended / 1MEffectiveSource
Off-peak$0.15$0.60$0.2625Oct 17, 2026 – open-endedDeepSeek ↗
Peak · weekdays 01–04 / 06–10 UTC$0.30$1.20$0.525Oct 17, 2026 – open-endedDeepSeek ↗

See current MiniRouter rates and how billing works.

Publisher-reported benchmarks

Results from the publisher’s announcement, grouped by unit.

BenchmarkReported resultReported byAs ofSource
DeepSWE v1.177.0%DeepSeekOct 17, 2026Announcement ↗
Terminal-Bench 4.042.3%DeepSeekOct 17, 2026Announcement ↗
ProgramBench29.1%DeepSeekOct 17, 2026Announcement ↗
Automation-Bench V1.0.660.5%DeepSeekOct 17, 2026Announcement ↗
Agents' Last Exam35.4%DeepSeekOct 17, 2026Announcement ↗
Apex Bench v1.172.1%DeepSeekOct 17, 2026Announcement ↗

DeepSeek reports gains on all eleven tests in its table, led by Terminal-Bench 4.0 (31.2% to 42.3%), with shorter outputs than September's V4.1 Flash.

DeepSeek's API now serves this release as deepseek-flash. On MiniRouter, request to pin it.

Keep exploring

Compare published results in the model rankings and coding benchmarks, or read more model releases.

For MiniRouter product updates, visit the changelog.

Sources

  1. DeepSeek V4.1 Flash 1017 announcement

    Published Oct 17, 2026

    Read at DeepSeek ↗
  2. DeepSeek Models & Pricing

    Published Oct 17, 2026

    Read at DeepSeek ↗
  3. Vercel DeepSeek V4.1 Flash 1017 catalog

    Published Oct 17, 2026

    Read at Vercel ↗

Editorial reference revised 2026-10-17. Catalog status comes from the generated routing snapshot.

Every model, one key.