# GLM 5.2 free for eve agents through August 27 via Blackbox on AI Gateway

Source: [Vercel](https://vercel.com/changelog/glm-5-2-free-for-eve-agents-through-august-27-via-blackbox-on-ai-gateway)  
Feed7 permalink: https://feed7.dev/p/glm-5-2-free-for-eve-agents-through-august-27-via-blackbox-on-ai-gateway-0td7ioc  
Published: 2026-08-13T00:00:00.000Z  
Trust: Official Source (official_source)

## Why Included

Eve agents can use GLM 5.2 free through August 27 via Vercel AI Gateway; new agents default to it, while existing agents need a model-setting change.

## Source Summary

Z.ai’s open-weights **GLM 5.2** has a **1M-token context window** and is free for eve agents through **August 27** via Blackbox AI on Vercel AI Gateway. New eve agents use it by default.

## Practical Implication

Builders can initialize a new agent with npx eve@latest init my-agent. Existing agents can switch in agent/agent.ts or through eve set, making the promotion useful for a bounded model evaluation.

## Agent-Ready Context

Z.ai’s open-weights **GLM 5.2** has a **1M-token context window** and is free for eve agents through **August 27** via Blackbox AI on Vercel AI Gateway. New eve agents use it by default.

Builders can initialize a new agent with npx eve@latest init my-agent. Existing agents can switch in agent/agent.ts or through eve set, making the promotion useful for a bounded model evaluation.

The offer excludes **Fast mode and zai/glm-5.2-fast**. After August 27, standard provider rates apply, and the material provides no performance or quality measurements.

## Connected Context

Feed7 judgment across 479 accumulated Signals:

This turns GLM 5.2 into a bounded, nearly frictionless eve evaluation rather than evidence for adopting it: new agents default automatically, existing ones can switch explicitly, and the free period ends quickly. Its 1M-token context expands the test envelope, but Fast mode is excluded and no quality, latency, or reliability result supports replacement decisions.

- [GPT-5.6 Sol is 50% off on AI Gateway for the next month](https://feed7.dev/p/gpt-5-6-sol-is-50-off-on-ai-gateway-for-the-next-month-1i67zht) — Both are temporary gateway evaluation incentives, but GLM is free only for eve through August 27 while GPT-5.6 Sol is discounted across gateway tiers through September 18.
- [Gemini 3.7 Flash now available on AI Gateway for 50% off](https://feed7.dev/p/gemini-3-7-flash-now-available-on-ai-gateway-for-50-off-040tuet) — Gemini’s longer discount and integrations across several coding agents contrast with GLM’s shorter, eve-specific promotion, making the latter better suited to a tightly bounded trial.
- [AI Gateway adds unified fast mode support](https://feed7.dev/p/ai-gateway-adds-unified-fast-mode-support-144dq26) — The gateway can express a general preference for fast serving, but this promotion explicitly excludes GLM 5.2 Fast, demonstrating that fast-mode policy does not make every discounted or free route eligible.
- [Qwen 3.8 Max now available on Vercel AI Gateway](https://feed7.dev/p/qwen-3-8-max-now-available-on-vercel-ai-gateway-1ikih0e) — Qwen provides another long-context gateway candidate, reinforcing that context size alone cannot select a model; GLM’s free window should be used for comparative workload testing rather than specification-based adoption.

## Context Map

- Layer: tools
- Domains: coding
- Topics: coding-agents, model-selection, gateways

## Uncertainty

- The offer excludes **Fast mode and zai/glm-5.2-fast**. After August 27, standard provider rates apply, and the material provides no performance or quality measurements.

## Agent Instruction

Use this item as source-backed context. Do not invent claims beyond the linked source. If this item conflicts with another source, call out the conflict.