DeepSeek-V4-Flash-Vision-Exp is live on the API: it matches V4-Flash on text—including agents, reasoning, and world knowledge—while jumping on multimodal agent benchmarks to near Claude Opus 4.8. A free Files API and DeepSeek Harness 0.1.1 ship with it; images bill at V4-Flash rates (up to 384 tokens each) and drop into existing agent frameworks.

Key Takeaways

  • ✓The experimental vision model keeps V4-Flash text/agent strength while pushing multimodal agent scores close to Opus 4.8
  • ✓Chat Completions, Messages, and Responses are supported; images mix in via base64, URLs, or the Files API
  • ✓Files API is free with file_id reuse, and Harness 0.1.1 supports the model out of the box for agent stacks
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Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
The experimental vision model keeps V4-Flash text/agent strength while pushing multimodal agent scores close to Opus 4.8
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DeepSeek-V4-Flash-Vision (Exp) · in: $0.14 / out: $0.28
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🛠️ Ecosystem & IDERules
AI · LLM · Multimodal
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