Anthropic: Claude Opus 4.5

Public pricingIntelligence 82/100Large memoryVisionRéflexion approfondieOutils

Anthropic: Claude Opus 4.5 est un modèle multimodal conçu pour codage, génie logiciel et workflows agentiques. Il associe la gestion multimodale des entrées et de bonnes performances en codage, un contexte de 200K tokens et un profil premium pour un travail fiable sur codage, génie logiciel et workflows agentiques.

Input

$5.00/1M

Output

$25.00/1M

Cached

$0.50/1M

Batch

$2.50/1M

Calculate your Claude Opus 4.5 bill.

Set your workload — see cost at your exact volume.

What would Claude Opus 4.5 cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

Claude Opus 4.5 at a glance.

Memory

200,000

tokens

Max reply

64,000

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

anthropic

Released

Nov 2025

Training cutoff

Mar 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • frontiermath_tier_4

    4.17

  • gpqa_diamond

    85.48

  • humanitys_last_exam

    25.2

  • scipredict

    23.05

  • swe_bench_verified

    76.65

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 4.5

  • 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 4.5 — 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 4.5 costs roughly $1,375 per month. Input is $5.00 /1M tokens and output is $25.00 /1M tokens.
Claude Opus 4.5 has a 200,000-token context window (large memory — an entire book or large codebase). That means you can fit about 37,500 words of input and history in a single call.
Beyond text generation, Claude Opus 4.5 supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
Claude Opus 4.5 was released in November 2025, with training data cut off around March 2025.
Models in a similar class include Claude Opus 4.6, Claude Opus 4.7, Claude 3.7 Sonnet (thinking). The "Similar models" section below this FAQ links into each.

Still unsure?

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