Claude Opus 5 (Fast)

Anthropic chatreasoningtool_usevision Long

API ID: anthropic/claude-opus-5-fast-20260723

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Input Price
$10.00
/1M tokens
Output Price
$50.00
/1M tokens
Cached Input
$1.00
Save 90%

About Claude Opus 5 (Fast)

Claude Opus 5 (Fast) is a premium general-purpose model from Anthropic with ultra-long context (1.0M), suitable for conversations, content creation, and general AI tasks.

💰
Price Ranking
#1217 lowest price among 1240 Chat models

Model Specifications

Context Length
1.0M
Max Output
128k
Release Date
2026-07-24
Capabilities
chat reasoning tool_use vision
Input Modalities
textimagefile
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Simple Q&A (cheaper models available)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$19.50
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$600.00
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$825.00
/month
500 analyses/day, ~2k tokens each
Calculate Your Custom Usage

Anthropic Model Lineup

Compare all models from Anthropic to find the best fit

Model Input Output Context Capabilities
Claude Opus 5 (Fast) Current Free Free 1.0M chat reasoning tool_use vision
Claude 3.5 Haiku (2024-10-22) Free Free 200k chat vision
Claude 3.5 Sonnet (2024-06-20) Free Free 200k chat vision
Claude 3.5 Sonnet (2024-06-20) Free Free 200k chat vision
Claude 3 Sonnet Free Free 200k chat vision
Claude 3 Sonnet Free Free 200k chat vision
View All Anthropic Models →

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💡 Cheaper Alternatives

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$0.25 $1.25 200k
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$0.50 $2.50 200k

Cross Brand

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$0.0050 Free 512
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$0.0050 Free 512
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$0.0050 Free 512

🚀 Quick Start

Get started with Claude Opus 5 (Fast) API

Anthropic Python SDK 
import anthropic

client = anthropic.Anthropic()

message = client.messages.create(
    model="anthropic/claude-opus-5-fast-20260723",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(message.content[0].text)

Resources

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