Anthropic: Claude Opus 4.6 (Fast)

Public pricingIntelligence 83/100Huge memory視覚深い思考ツール利用

Anthropic: Claude Opus 4.6 (Fast) はマルチモーダルモデルで、視覚言語理解に向いています。マルチモーダル入力処理、画像理解、1M+ tokensのコンテキスト、プレミアムの特性を組み合わせ、vision-language understanding and content analysis で安定した動作を支えます。遅延・コスト・スループットが重要な場面に合っており、安定した出力、柔軟な導入、拡張性を求めるチームに実用的です。安定した応答、長い文脈処理、そして試作から本番まで広く使える柔軟さが必要な場面で役立ちます。安定した応答、長い文脈処理、そして試作から本番まで広く使える柔軟さが必要な場面で役立ちます。安定した応答、長い文脈処理、そして試作から本番まで広く使える柔軟さが必要な場面で役立ちます。

Input

$30.00/1M

Output

$150.00/1M

Cached

$3.00/1M

Batch

$15.00/1M

Calculate your Claude Opus 4.6 (Fast) bill.

Set your workload — see cost at your exact volume.

What would Claude Opus 4.6 (Fast) cost you?

Adjust the workload to see your monthly bill.

Conversations per month50,000

1,00010,00050,000250,0001M10M

Input length

Output length

Repeated questions?

Replies can wait a few hours (batch discount)

Technical specifications

Claude Opus 4.6 (Fast) at a glance.

Memory

1,000,000

tokens

Max reply

128,000

tokens

Memory tier

Huge

multiple books or whole repositories

Tokenizer

anthropic

Released

Feb 2026

Training cutoff

May 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

swe_bench_verified
78.72
frontiermath_tier_4
22.9
gpqa_diamond
90.53
humanitys_last_exam
34.44

What it can do

Capabilities & limits.

Understands images
Deep step-by-step thinking
Uses tools / calls functions
Strict JSON output
Streams replies
Fine-tunable on your data

When to pick Claude Opus 4.6 (Fast)

Multi-step reasoning, research agents, or hard math.
Screenshot analysis, image understanding, or document OCR.
Agentic workflows that call tools or APIs.
Long documents, full codebases, or extensive chat histories.

When to look elsewhere

Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

Claude Opus 4.6 (Fast) — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Claude Opus 4.6 (Fast) costs roughly $8,250 per month. Input is $30.00 /1M tokens and output is $150.00 /1M tokens.

Claude Opus 4.6 (Fast) has a 1,000,000-token context window (huge memory — multiple books or whole repositories). That means you can fit about 187,500 words of input and history in a single call.

Beyond text generation, Claude Opus 4.6 (Fast) supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.

Claude Opus 4.6 (Fast) was released in February 2026, with training data cut off around May 2025.

Models in a similar class include Claude Opus 4, Claude Opus 4.1, Claude Opus 4.5. The "Similar models" section below this FAQ links into each.

Still unsure?

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