DeepSeek
Chinese AI lab famous for the V4 series. V4 Flash at $0.14/1M is the cheapest pro-quality API. Peak/valley pricing model.
Chinese AI lab famous for the V4 series. V4 Flash at $0.14/1M is the cheapest pro-quality API. Peak/valley pricing model.
Models from DeepSeek(2)
DeepSeek History Timeline(30)
DeepSeek nears 50B yuan funding at 500B yuan valuation
DeepSeek plans to raise ~50B yuan at ~500B yuan pre-money ($74B), expected to close before end of August, targeting 2027 STAR Market IPO
SourceV4-Flash-Vision-Exp visual understanding model launches
Native image input. Can identify people, read screenshots, parse charts. Harness updated to v0.1.1-rc.1.
SourceRMB 141M strategic stake in Unitree Robotics (2.31%)
Signed MoU covering joint AGI R&D, priority robot procurement, and AI model adaptation.
SourceHarness 0.1.1-rc.2 critical vulnerability QVD-2026-57410 disclosed
Harness 0.1.1-rc.2 critical vulnerability QVD-2026-57410 disclosed
SourceDeepSeek unifies weekend pricing to off-peak rates from August 23
Optimized peak-valley billing: weekends no longer distinguish peak vs off-peak and use off-peak rates all day. The same day V4 Pro GA hit the API with significantly stronger Agent capabilities, Responses API plus Codex support, scoring 87.9 on Terminal-Bench.
SourceDeepSeek launches multimodal V4-Flash-Vision-Exp
Experimental multimodal vision-understanding V4-Flash-Vision-Exp launched on the API, priced the same as V4-Flash. Text performance matches V4-Flash and multimodal agent capability is close to Opus 4.8. Files API launched alongside. Chartography 64.3, Terminal Bench 2.1 83.9, ApexBench rose from 26.2 to 36.5.
SourceDeepSeek Harness v0.1.0-rc.8: native image requests plus Claude Code / Codex sub-agents
Model adapter supports native image requests and image+text input. Claude Code and Codex became installable Profile Bundles; Codex gets a non-interactive permission mode and multi-instance parallelism. web_search supports concurrent queries.
SourceDeepSeek V4-Pro peak/valley pricing takes effect
From 00:00 Beijing time on August 17, peak/valley pricing takes effect. During peak hours (9-12 and 14-18 Beijing time on weekdays), V4-Pro cached input price rises up to 1100%, output from 6 to 27 yuan per 1M tokens.
SourceV4 API peak/off-peak pricing live; V4-Pro cached input +1100%
At midnight on Aug 17 DeepSeek V4 fully moved to peak/off-peak pricing; V4-Pro cached input rose up to 1100% during peak hours.
SourceV4-Pro official version live (1M context + 384K output)
Went live on App, web, and API on Aug 13 with three thinking intensity tiers.
SourcePeak-valley API pricing effective 8/17
Peak-hour V4-Pro at ¥9 input / ¥27 output per million tokens; V4-Flash at ¥3 input / ¥9 output.
SourceDeepSeek Harness v0.1 crosses 100K GitHub stars in 45 hours
Harness developer preview open-sourced August 13 (MIT license) under "everything is a plugin" philosophy based on the Cordis plugin system. Reached 105K GitHub stars in 45 hours, 4,300+ third-party plugins within 3 days.
SourceDeepSeek-V4-Flash tops OpenRouter weekly with 9.39 trillion tokens
For the week of August 3-9 DeepSeek-V4-Flash-0731 led OpenRouter global call volume at 9.39 trillion tokens.
SourceDeepSeek invests RMB 141M in Unitree
Strategic placement announced Aug 6 with 36-month lockup, longest among external investors
SourceDeepSeek resumes Series 2 at 500B yuan pre-money
On August 5, resumed second funding round, targeting 50B yuan raise.
SourceV4 series pricing announced
V4-Flash ¥1/¥2, V4-Pro ¥3/¥6 per 1M tokens; peak/valley pricing
SourceV4-Flash output ¥2 per 1M tokens
International $0.28 output per 1M tokens, cheapest globally
SourceDeepSeek launches second ¥50 billion funding round at ¥500 billion pre-money
Reported August 5, DeepSeek restarted a second round targeting ¥50 billion at a pre-money valuation of about ¥500 billion, signing targeted for late August.
SourceV3.2 API price +264%
DeepSeek V3.2 rose from $0.14/$0.28 to $0.27/$1.10 per million tokens.
SourceDeepSeek V3.2 released
DeepSeek released V3.2 with hybrid reasoning; later price swings sparked price war.
SourceJanus-Pro released
Released Janus-Pro and JanusFlow multimodal frameworks for image generation and understanding.
SourceNvidia plunges 17%
DeepSeek app tops US/China charts, triggering US tech sell-off; Nvidia loses ~$600B in one day.
SourceDeepSeek-R1 open-sourced
Released R1 reasoning model matching OpenAI o1, fully open-sourced, trained for under $6M.
SourceDeepSeek-R1 API launch price ($0.55/$2.19)
DeepSeek-R1 API at $0.55 input / $2.19 output per million tokens (cache hit $0.14).
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