Union Alpha on OpenRouter: Tests and Reviews

A demo of the union-crew repo has Union Alpha dispatch DeepSeek V4.1 Flash subagents to run low-cost agent workflows and work around GPT-6 usage limits.

A demo shows running Union Alpha in OpenCode via the union-crew repo, handing subtasks to DeepSeek V4.1 Flash subagents to cut costs.

The author found a stealth version of Union Alpha on OpenRouter that is free to try, with 262K context, image input and tool calling, and says it worked in their own test.

Cline now offers free models including Union Alpha, DeepSeek V4.1 Flash and GLM-5.3 Flash, selectable in Cline for agent workflows.

A two-minute guide to searching for and selecting Union Alpha in Opencode, a free anonymous multimodal model with tool calling and a 256K context window.

Cline is offering Union Alpha for free alongside a set of other free models including DeepSeek V4.1 Flash and GLM-5.3 Flash.

Union Alpha is available with unlimited tokens on Mercury Cloud and can be paired with Claude Code, OpenCode or Mercury Code.

A user lists muse spark 1.3, Union Alpha, and Devin SWE-2 pro as currently free inference options and says they have started migrating their workflow gradually.

A user lists DeepSeek V4.1 Flash, Meta Muse Spark 1.3, GLM-5.3 Flash and stealth/union-alpha, saying each gives 15M tokens per account per day for free and runs in common harnesses.

OpenCode says several improvements were made for Union Alpha and invites developers who hit errors or odd behavior to try it again in the harness.

A user says Union Alpha produced only one SVG before failing across Claude Code, OpenCode, Cline and Hermes, briefly hitting 7 tps before stopping.

Two users measured 800 tokens/s on a first run dropping to just over 300 on a second, and 300 tokens/s respectively, calling it comparable to DeepSeek v4.1 flash and free without limits.