Last refreshed 2026-11-09. Next refresh: weekly.
Why use Ampersand on Vercel AI Gateway?
Vercel AI Gateway offers Ampersand. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare Ampersand across 2 providers to find the best fit for your use caseInput / 1M
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Output / 1M
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Cache
Not sourced
Batch
Not sourced
Setup recipe
Python + curlInstall
pip install openaiAuth
export AI_GATEWAY_API_KEY=...Call
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],Model ID
humansand/ampersand-v0.1Request example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="humansand/ampersand-v0.1",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "humansand/ampersand-v0.1", not the LLMReference slug "ampersand".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare Ampersand Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| humans& Agents API | $1.00 | $5.20 |
| Vercel AI Gateway | — | — |
Capabilities
ReasoningJSON / Tool use
About Ampersand
Ampersand (v0.1, API id ampersand-v0.1) is humans&'s collaborator model, built on GLM 5.3 and trained with RL to understand the long-term consequences of its actions and help groups of people reach shared goals: reasoning together, asking questions, surfacing context and working through disagreements. Text in/out, 1M-token context, API-only.
Get Started
Model Specs
Released2026-10-20
Parameters744B total, 40B active
Context1M
ArchitectureMixture of Experts