This model is deprecated. We still benchmark its performance, but less often: every 18 hours instead of every 6.
Anthropic has launched a newer release, Claude Opus 4.6. We suggest considering it instead.
Claude Opus 4.5 (Reasoning) API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of Claude Opus 4.5 (Reasoning) for your use-case.
Lowest Time per Task
Time per Intelligence Index task (minutes)
Total 4 providers
Lowest Cost per Task
Cost per Intelligence Index task
Total 4 providers
Claude Opus 4.5 is available through 4 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.
Pricing
Cost per Intelligence Index Task: Claude Opus 4.5 (Reasoning)
Pricing: Cache Hit, Input, and Output: Claude Opus 4.5 (Reasoning)
Output Speed vs. Cost per Task: Claude Opus 4.5 (Reasoning)
Speed
Average of the single-request and multi-turn agentic workloads measured
Output Speed: Claude Opus 4.5 (Reasoning)
Latency
Average of the single-request and multi-turn agentic workloads measured
Time to First Answer Token: Claude Opus 4.5 (Reasoning)
Reliability
Share of requests the endpoint failed, across all the single-request and multi-turn agentic workloads measured
Endpoint Error Rate: Claude Opus 4.5 (Reasoning)
Caching
Cache Hit Rate: Claude Opus 4.5 (Reasoning)
Cost per Task vs. Cache Hit Rate: Claude Opus 4.5 (Reasoning)
Key Comparison Metrics & API Features
Frequently Asked Questions
Common questions about Claude Opus 4.5 (Reasoning) providers
Claude Opus 4.5 (Reasoning) is available through 4 API providers: Google Vertex, Anthropic, Amazon, and Azure. Each provider offers different performance characteristics and pricing.
Claude Opus 4.5 (Reasoning) is currently available through 4 API providers that we benchmark and track.
The most affordable providers for Claude Opus 4.5 (Reasoning) by blended price are Google Vertex ($3.85 per 1M tokens), Anthropic ($3.85 per 1M tokens), and Amazon ($3.85 per 1M tokens). Blended price uses a 7:2:1 cache hit/input/output token ratio.
The providers with the lowest input token pricing for Claude Opus 4.5 (Reasoning) are Google Vertex ($5.00 per 1M input tokens), Anthropic ($5.00 per 1M input tokens), and Amazon ($5.00 per 1M input tokens).
The providers with the lowest output token pricing for Claude Opus 4.5 (Reasoning) are Google Vertex ($25.00 per 1M output tokens), Anthropic ($25.00 per 1M output tokens), and Amazon ($25.00 per 1M output tokens).
2 of 4 providers support JSON mode for Claude Opus 4.5 (Reasoning): Google Vertex and Anthropic.
All 4 providers of Claude Opus 4.5 (Reasoning) support function calling (tool use).
When choosing a provider for Claude Opus 4.5 (Reasoning), consider: time per task (how quickly the provider completes an Intelligence Index task), latency (for interactive applications requiring quick first responses), pricing (for cost-sensitive workloads), and API features like JSON mode or function calling.
Yes, provider performance can vary over time due to infrastructure changes, load balancing, and updates. We continuously benchmark all providers and display historical performance trends in the "Over Time" charts.
For information about Claude Opus 4.5 (Reasoning)'s intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview