Last refreshed 2026-05-22. Next refresh: weekly.
Why use Claude Sonnet 4.6 on Vercel AI Gateway?
Vercel AI Gateway offers Claude Sonnet 4.6 with pay-as-you-go pricing at $3.00/1M input tokens. 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 Claude Sonnet 4.6 across 6 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],anthropic/claude-sonnet-4.6Request 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="anthropic/claude-sonnet-4.6",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "anthropic/claude-sonnet-4.6", not the LLMReference slug "claude-sonnet-4-6".
- 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 Claude Sonnet 4.6 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $3.00 | $15.00 |
| Anthropic | $3.00 | $15.00 |
| AWS Bedrock | $3.00 | $15.00 |
| GCP Vertex AI | $3.00 | $15.00 |
| Microsoft Foundry | $3.00 | $15.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
| Query | $10.00 |
Capabilities
About Claude Sonnet 4.6
Claude Sonnet 4.6 is Anthropic's best combination of speed and intelligence. Proprietary decoder-only model with 1M-token context, 64K max output, multimodal vision, extended thinking, and function calling. Available via Anthropic API, AWS Bedrock, GCP Vertex AI, and OpenRouter at $3/1M input and $15/1M output tokens.
FAQ
What does Claude Sonnet 4.6 cost on Vercel AI Gateway?
On Vercel AI Gateway, Claude Sonnet 4.6 costs $3 per 1M input tokens and $15 per 1M output tokens.
What is the context window for Claude Sonnet 4.6 on Vercel AI Gateway?
Claude Sonnet 4.6 supports a 1,000,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other Claude Sonnet 4.6 providers?
Claude Sonnet 4.6 is available from 6 providers. The cheapest input pricing is $3/1M tokens from OpenRouter.
What API model ID do I use for Claude Sonnet 4.6 on Vercel AI Gateway?
Use the model ID anthropic/claude-sonnet-4.6 when calling Vercel AI Gateway's API.
Who created Claude Sonnet 4.6?
Claude Sonnet 4.6 was created by Anthropic as part of the Claude 4.6 model family.
Is Claude Sonnet 4.6 open source?
Claude Sonnet 4.6 is not open source; the seed data lists it as proprietary.