OpenCode Grants 5-Day Unlimited Access to Mystery Model "Union Alpha Free"

Sep 17, 2026, 2:00 PM

OpenCode Grants 5-Day Unlimited Access to Mystery Model "Union Alpha Free"

AI coding platform OpenCode has made waves by offering completely unlimited token usage for a new mystery model dubbed Union Alpha Free.

Key Details

Unlimited Usage: Union Alpha Free has taken the top spot on OpenCode's quota tier with an unrestricted allocation (∞ / ∞) at zero cost.
Limited Window: The free, unlimited access is scheduled to run for only five days.
Rankings Comparison: The promotion places Union Alpha ahead of other high-allocation models on the platform, such as Muse Spark 1.3 Contributor (45,300 tokens) and MiMo-V2.5 (30,100 tokens).
Community Reaction: While the high benchmark-to-cost ratio has drawn rapid attention, community speculation leans toward origins from major Chinese AI developers like Zhipu. Early user feedback remains mixed, citing occasional latency and performance that still trails behind models like DeepSeek V4.1 Flash.

Offers mentioned

OpenCode Zen Free Models Verified Oct 12, 2026
Access a curated selection of free coding LLMs including Big Pickle, MiMo, DeepSeek, GLM, and Nemotron through OpenCode Console (formerly Zen).

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Source: opencode.ai · More info

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