Claude Opus 4.1
Claude Opus 4.1 improves on Claude Opus 4 with targeted gains in agentic task execution, real-world coding, and multi-step reasoning, available on AI Gateway via Anthropic, Bedrock, Google Vertex AI with automatic retries and failover. Your use subject to Anthropic's Terms & Privacy Policies.
import { streamText } from 'ai'
const result = streamText({ model: 'anthropic/claude-opus-4.1', prompt: 'Why is the sky blue?'})Playground
Try out Claude Opus 4.1 by Anthropic. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
Claude Opus 4.1
Claude Opus 4.1
Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
P50 throughput on live AI Gateway traffic, in tokens per second (TPS). Visit the docs for more info.
P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.
Direct request success rate on AI Gateway and per-provider. Visit the docs for more info.
More models by Anthropic
| Model |
|---|
| 1M | 3.9s | 105tps | $5/MFast $10/M | $25/MFast $50/M | Read:$0.5/M Write: $6.25/M | $10/K + input costs | +3 |  +1 | 07/24/2026 | |||
| 1M | 5.4s | 91tps | $10/M | $50/M | Read:$1/M Write: $12.5/M | $10/K + input costs | +2 |  | 07/01/2026 | |||
| 1M | 2.7s | 91tps | $3/M$2/M | $15/M$10/M | Read:$0.3/M$0.2/M Write: $3.75/M$2.5/M | $10/K + input costs | +3 | +1 | 06/29/2026 | |||
| 1M | 1.0s | 115tps | $5/MFast $10/M | $25/MFast $50/M | Read:$0.5/M Write: $6.25/M | $10/K + input costs | +3 | +1 | 05/28/2026 | |||
| 1M | 1.0s | 70tps | $3/M | $15/M | Read:$0.3/M Write: $3.75/M | $10/K + input costs | +3 | +1 | 02/17/2026 | |||
| 200K | 0.7s | 125tps | $1/M | $5/M | Read:$0.1/M Write: $1.25/M | $10/K + input costs | +3 | +1 | 10/15/2025 |
About Claude Opus 4.1
Claude Opus 4.1 became available on AI Gateway on August 5, 2025, the same day Anthropic released the model. Access it via the AI SDK, Chat Completions API, Responses API, Messages API, or other API formats, from TypeScript or Python, with the model string anthropic/claude-opus-4.1. Through AI Gateway, you get a unified API, usage and cost tracking, and provider routing across Anthropic, Bedrock, Google Vertex AI, a single integration point without separate credentials for each provider.
Claude Opus 4.1 slots into existing Opus 4 workflows as an upgrade on the same task categories where Opus excels: complex multi-step agentic work, codebases requiring deep understanding across many files, and reasoning-intensive analysis where the model needs to maintain coherence over extended sessions.
The upgrade path from Opus 4 is a model string change. The API surface, pricing structure, and integration patterns stay consistent with the Opus 4 baseline.
What To Consider When Choosing a Provider
- Configuration: AI Gateway routes Claude Opus 4.1 across Anthropic, Bedrock, Google Vertex AI. Provider availability changes over time, so check the providers panel on this page when planning failover for critical production pipelines.
- Zero Data Retention: AI Gateway supports Zero Data Retention for this model via direct gateway requests (BYOK is not included). To configure this, check the documentation.
- Authentication: AI Gateway authenticates requests using an API key or OIDC token. You do not need to manage provider credentials directly.
When to Use Claude Opus 4.1
Best for
- Complex agentic task execution: Multi-step pipelines that require sustained planning and execution, the primary improvement area in this release
- Real-world coding tasks: Multi-file refactoring, debugging hard-to-reproduce issues, and understanding large unfamiliar codebases at Opus-tier depth
- Reasoning-intensive analysis: Depth of multi-step inference outweighs response speed
- Teams already on Opus 4: A targeted upgrade without changing your integration architecture
- Critical production pipelines: Workloads that require the Claude Opus 4.1 checkpoint specifically, with AI Gateway failover across Anthropic, Bedrock, Google Vertex AI
Consider alternatives when
- Primary cost constraint: Sonnet-tier models deliver strong results at lower per-token cost
- Sonnet-sufficient tasks: A Sonnet variant fits task profiles that don't need Opus-depth reasoning
- Hard latency requirements: Opus models trade speed for depth
Conclusion
Claude Opus 4.1 is the right incremental upgrade for teams running Opus 4 in production who want improvements in agentic task execution, coding, and reasoning without a model architecture change. The upgrade path is a model string update, and AI Gateway handles the rest.