Last refreshed 2026-10-18. Next refresh: weekly.
Why use Claude Sonnet 4 on GCP Vertex AI?
GCP Vertex AI offers Claude Sonnet 4. Vertex AI is Google Cloud's managed AI platform, offering access to Gemini models and hundreds of partner models alongside tools for fine-tuning, grounding, vector search, and end-to-end MLOps pipelines.
Compare Claude Sonnet 4 across 7 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 google-cloud-aiplatformAuth
export GOOGLE_CLOUD_PROJECT=...Call
import os
import vertexai
from vertexai.generative_models import GenerativeModel
vertexai.init(project=os.environ["GOOGLE_CLOUD_PROJECT"], location="us-central1")Model ID
claude-sonnet-4@20250514Request example
import os
import vertexai
from vertexai.generative_models import GenerativeModel
# Reads GOOGLE_CLOUD_PROJECT from env; authenticates via Application Default Credentials
vertexai.init(project=os.environ["GOOGLE_CLOUD_PROJECT"], location="us-central1")
model = GenerativeModel("claude-sonnet-4@20250514")
response = model.generate_content("Hello")
print(response.text)Gotchas
- Use provider model ID "claude-sonnet-4@20250514", not the LLMReference slug "claude-sonnet-4".
- For Google-published models use the model name directly, e.g. "gemini-2.0-flash-001". For third-party publishers (Anthropic, Meta, etc.) use the full publisher path, e.g. "publishers/anthropic/models/claude-3-5-sonnet-v2@20241022".
- The examples expect GOOGLE_CLOUD_PROJECT; rename it only if your application config maps the new variable.
Compare Claude Sonnet 4 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Anthropic | $3.00 | $15.00 |
| Snowflake Cortex | — | — |
| AWS Bedrock | $8.00 | $40.00 |
| Replicate API | $3.00 | $15.00 |
| OpenRouter | $3.00 | $15.00 |
Capabilities
VisionMultimodalStructured Outputs
About Claude Sonnet 4
Claude Sonnet 4 API snapshot (claude-sonnet-4-20250514) is deprecated and scheduled to retire from Anthropic-operated platforms on June 15, 2026. Use Claude Sonnet 4.6 for current integrations.
Model Specs
Released2025-05-22
Context200K