Anthropic
Anthropic
CodeProprietary Commercial API Verified Architecture & Specs$5/1M in · $25/1M out

Claude Opus 4

Claude Opus 4 is a code model from Anthropic with Proprietary parameters, supporting a 200,000-token context window, with text, image, pdf modalities. Hosted/proprietary model; upstream API availability and pricing should be checked against the linked provider documentation.

Technical Architecture & Execution Specifications
Architecture Overview

Claude Opus 4

Claude Opus 4 is a code model from Anthropic with Proprietary parameters, supporting a 200,000-token context window, with text, image, pdf modalities. Hosted/proprietary model; upstream API availability and pricing should be checked against the linked provider documentation.

Supported Modalities
textimagepdf

Hardware & Execution ParametersCode

Total Parameter CountProprietary
Active Parameters (MoE)Dense Architecture
Context Window Capacity200,000 tokens
Model Weights FootprintCloud Hosted API
Distribution LicenseProprietary Commercial API
Standard API Pricing (1M Tokens)$5 in / $25 out
Model Heritage & Evolutionary Lineage

Genealogical Graph & Evolutionary Provenance

Tracing foundational base architecture ancestry, architectural successors, scale siblings, and reasoning distillation derivatives.

Independent Foundation Checkpoint

Claude Opus 4 operates as an autonomous foundation model architecture without direct precursor derivatives in this catalog.

Root Architecture Node
AI Model Architecture & Intelligence

Architecture Engineering & Capability Deep-Dive

An objective architectural evaluation of Claude Opus 4 by Anthropic, analyzing underlying compute dynamics, memory constraints, and deployment economics.

Topology & Attention Mechanics

Utilizes a highly optimized hybrid reasoning mode with a toggleable thinking budget, tailored for high-density tool synthesis and exact state routing.

Architecture Type:Advanced Transformer

Evaluation Profile & Reasoning

Exhibits frontier-tier behavior in reasoning and coding. Excels in complex multi-file codebase understanding.

Domain Specialty:Code

LLM Hardware Sizing & Serving

Served via scalable API endpoints guaranteeing high tokens-per-second concurrency and enterprise SLAs.

KV Cache Mgmt: PagedAttention / FlashAttention-3
Hosting Type:Proprietary Commercial API

Inference Economics & Workflows

Thinking budgets allow cost/latency control. Dominant in zero-shot agentic loops and massive automated refactoring tasks where accuracy is paramount.

Enterprise Fit:Production Ready
Production Trade-Offs & Capability Balance

Architectural Strengths vs. Considerations

An objective balance sheet analyzing the operational advantages and production constraints of deploying Claude Opus 4.

Key Architectural Strengths

  • Hybrid reasoning mode with toggleable thinking budget excels at high-density code and agentic tool synthesis.
  • Native computer use capabilities and precise JSON generation streamline autonomous agent loops.
  • Massive 200,000-token context allows full-repository and book-length ingestion.
  • Demonstrated Aider Polyglot evaluation score of 72% in verified benchmarks.

Operational Considerations

  • Advanced agentic capabilities (e.g. computer use) mandate rigorous sandbox isolation and strict IAM boundaries.
  • 128k+ token prefill stages become heavily compute-bound and balloon KV cache without PagedAttention chunking.
LLM Hardware Sizing & Runtime Compatibility

Inference Runtimes & Hardware Sizing

Deployment targets, inference engines, and memory requirements for Claude Opus 4.

Recommended Hardware Profile:
Cloud Hosted API (Zero Local VRAM)
Supported Inference Engines
Vendor REST API

Primary managed cloud endpoint

Official
OpenRouter

Unified multi-provider gateway

Supported
Amazon Bedrock / GCP

Private cloud enterprise integration

Enterprise
OpenAI SDK

Standard chat completions client

Compatible
Precision & Quantization Formats
Cloud PrecisionManaged Serving

Vendor-optimized floating point precision (FP8/BF16)

Prompt CachingPrefix Cache

Up to 50–90% cost reduction on repeated system prompts

LLM Benchmark Database & Performance Metrics

1 Tested

Standardized evaluation results across reasoning, agentic coding, computer use, and alignment.

Flagship Headline MetricsIndustry SOTA Standard
General / Other

Aider Polyglot

72%percent correct
0%100%
Aider Polyglot
percent correct
72%
Commercial Rates & Inference Costs

API & Deployment Pricing

Standard API consumption rates per million tokens as indexed from official laboratory pricing documentation.

Usage TierRate / Unit
Prompt / Input Tokens$5 / 1M tokens
Completion / Output Tokens$25 / 1M tokens
Inference Cost & ROI Engine
Official API Rate
Prompt / Input Volume:50M Tokens / mo
1M500M1,000M
Generated / Output Volume:10M Tokens / mo
1M250M500M
Estimated Monthly Spend
$500.00/ mo
Input (50M @ $5.00/1M):$250.00
Output (10M @ $25.00/1M):$250.00
Cloud GPU Breakeven Ratio
RunPod RTX 4090 ($316/mo)1.58x spend
Lambda 1x H100 ($1,800/mo)0.28x spend
Similar Frontier Models & Alternatives
Explore All Comparisons

Comparable Foundation Architectures

Alternative models in the Code class with similar capabilities, context windows, or deployment profiles.

OpenAICode

GPT-5.6 Sol

Context:1050k ctx
Parameters:Proprietary
Input Rate:$4/1M
OpenAICode

GPT-5.5

Context:1050k ctx
Parameters:Proprietary
Input Rate:$5/1M
OpenAICode

GPT-5.4

Context:1050k ctx
Parameters:Proprietary
Input Rate:$2.5/1M
Integration & Deployment
import os
from anthropic import Anthropic

client = Anthropic(api_key=os.environ.get("ANTHROPIC_KEY"))

response = client.messages.create(
    model="anthropic-claude-opus-4-20250514",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Explain quantum superposition in 2 sentences."}
    ]
)
print(response.content[0].text)
Frequently Asked Questions

Frequently Asked Questions about Claude Opus 4

Essential facts, architectural specs, hardware constraints, and pricing answers for Claude Opus 4.

Claude Opus 4 is a proprietary API model and cannot be run locally. It requires no local VRAM.

Primary Sources & Access Repositories

All technical specifications, parameter distributions, context architectures, and benchmark evaluations for Claude Opus 4 are audited against primary source release documentation, research whitepapers, and verified vendor API endpoints.

api id:anthropic/claude-opus-4-20250514
knowledge cutoff:2025-03-31