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claude-opus-4-5

Claude Opus 4.5 is Anthropic's flagship AI model, celebrated as an industry leader for complex coding, autonomous agent tasks, and deep analysis. It combines extreme reasoning capabilities with high token efficiency, making multi-day engineering projects and routine office tasks drastically faster and more cost-effective

VisionReasoningTool callingCachingJSON schemaComputer use
Try claude-opus-4-5CompareDocs

Specifications

Context window200K tokens
Max output64K tokens
API typechat
AddedDec 1, 2025
Model IDbedrock/claude-opus-4-5@eu-central-1
Data retentionNo
Used for trainingNo
Provider locationπŸ‡ΊπŸ‡Έ US / πŸ‡ͺπŸ‡Ί EU
Privacy policyAWS Privacy Notice→

Benchmarks

Released 2025-11-24
Coding Indexcoding
47.8%

Artificial Analysis Coding Index β€” a composite of coding evaluations including LiveCodeBench, SciCode and Terminal-Bench.

GPQA Diamondreasoning
86.6%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

Intelligence Indexreasoning
49.7%

Artificial Analysis Intelligence Index β€” a composite of multiple evaluations measuring overall model capability.

Scores are sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and do not capture every aspect of model quality β€” always test on your own workload.

Pricing

Input / 1M
$5.50
Output / 1M
$27.50
Cache write / 1M
$6.88
Cache read / 1M
$0.55
Estimated cost
100K input + 10K output$0.82
1M input + 100K output$8.25
10M input + 1M output$82.50

Requesty charges exactly what the upstream provider charges β€” no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to bedrock/claude-opus-4-5@eu-central-1.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="bedrock/claude-opus-4-5@eu-central-1",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

Other AWS Bedrock models

minimax-m2.5
@eu-west-1
128K ctx$0.36/1M
Coding 37
minimax-m2.5
@eu-south-1
128K ctx$0.36/1M
Coding 37
minimax-m2.5
@eu-north-1
128K ctx$0.36/1M
Coding 37
minimax-m2.5
@eu-central-1
128K ctx$0.36/1M
Coding 37
minimax-m2.5
@us-east-1
128K ctx$0.30/1M
Coding 37
minimax-m2.5
@us-west-2
128K ctx$0.30/1M
Coding 37

Frequently asked questions

How much does claude-opus-4-5 cost?
claude-opus-4-5 is priced at $5.50 per million input tokens and $27.50 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges β€” we don't add markup.
What is the context window of claude-opus-4-5?
claude-opus-4-5 has a context window of 200K tokens, with a maximum output of 64K tokens per response. That's roughly 267 words of input you can fit in a single prompt.
How does claude-opus-4-5 perform on benchmarks?
claude-opus-4-5 scores 91.3% on Math Index, 91.3% on AIME 2025, 89.5% on τ²-Bench. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.
What can claude-opus-4-5 do?
claude-opus-4-5 supports vision input, tool calling, extended reasoning, prompt caching, structured outputs (JSON schema), computer use. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use claude-opus-4-5 with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "bedrock/claude-opus-4-5@eu-central-1". The Quickstart above shows Python, JavaScript and cURL snippets.
What region is this deployment?
This variant of claude-opus-4-5 is deployed in eu-central-1. Region-specific endpoints matter for data residency, latency to your users, and compliance requirements (GDPR, HIPAA). Other regions for the same model may be listed on the AWS Bedrock provider page.

Access claude-opus-4-5 through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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