Wire · founder news, decoded · technology
DeepSeek nears full V4 AI model launch
◆ Published
20 July 2026
◆ Topic
technology
◆ Sectors
◆ Geography
◆ Source
◆ Verified
Fusion42 · 20 July 2026 · Fusion42 review
DeepSeek is launching its full V4 model family with a 1M-token context window and mixture-of-experts design, priced at $0.87–$1.74 per million tokens for Pro and $0.28 for Flash—50–200× cheaper than Claude Opus. The company is discontinuing legacy models on July 24, forcing API users to migrate to V4 variants.
This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.
◆ The Wire takeaway
If you're building an AI product on Claude or OpenAI, your inference bill just became your biggest competitive liability. DeepSeek V4 at 1/50th the cost forces you to choose: rebuild on cheaper models or accept margin collapse.
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◆ Topics
AI Frontier Models · deepseek-v4 · model-pricing · inference-costs · ai-commoditization · api-migration