Keln Blog

Benchmarks, engineering notes and product updates from Keln.

DeepSeek V4 Flash. Keln vs DeepSeek vs OpenRouter. How we caught a provider billing double.

We sent the same 720 requests three ways: to Keln, to OpenRouter and to DeepSeek's official API. One of them took almost five times longer to answer, so we went looking for why.

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Compare Sep 23, 2026 6 min read

An OpenRouter alternative for open models

Switching takes two lines. We compare pricing, how requests are routed, data retention rules, and the model catalog.

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Guide Sep 21, 2026 3 min read

Run open models in Claude Desktop

Open models in Claude Desktop, no code. Switch back any time.

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Guide Sep 21, 2026 3 min read

Run open models in Codex

Run Codex on GLM 5.3, Kimi K3 or DeepSeek. Point Codex at Keln in the ChatGPT app or the terminal.

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Run open models on Keln

Change one URL and you're on Keln. We check every provider before it gets your traffic.

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