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Harbor Bridge
DeepSeek V4 API access at a fraction of GPT-5 pricing
Harbor Bridge gives developers OpenAI-compatible access to DeepSeek V4-Flash and V4-Pro. Drop it into any app already using /v1/chat/completions, top up with Stripe in USD, and you're running. Significantly cheaper than GPT-5.4 and 5.5 — worth it if you're running anything at volume
About Harbor Bridge on Product Hunt
“DeepSeek V4 API access at a fraction of GPT-5 pricing”
Harbor Bridge was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #137 on the daily leaderboard. Harbor Bridge gives developers OpenAI-compatible access to DeepSeek V4-Flash and V4-Pro. Drop it into any app already using /v1/chat/completions, top up with Stripe in USD, and you're running. Significantly cheaper than GPT-5.4 and 5.5 — worth it if you're running anything at volume
On the analytics side, Harbor Bridge competes within API — topics that collectively have 98.3k followers on Product Hunt. The dashboard above tracks how Harbor Bridge performed against the three products that launched closest to it on the same day.
Who hunted Harbor Bridge?
Harbor Bridge was hunted by Sandy Wu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Harbor Bridge including community comment highlights and product details, visit the product overview.
Hey Product Hunt! 👋
Built Harbor Bridge to solve a simple problem — DeepSeek V4 is genuinely strong on reasoning and coding tasks, but USD billing and clean API access is friction most Western developers don't want to deal with.
It's a one-line swap from any OpenAI-compatible project. V4-Pro is on promotional pricing until May 31, so now's a good time to try it.
Happy to answer any questions about the setup or pricing model!