Claude Opus 5.5 Prompt Console
Describe a coding, research, or computer-use job once and let Claude Opus 5.5 carry it through from start to finish
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Claude Opus 5.5

Put Claude Opus 5.5 on your hardest jobs and get flagship-grade answers for roughly 40% less per task, with sharper writing and quicker replies.

All Tools

Discover our comprehensive AI-powered animation toolkit

Claude Opus 5.5 Keeps Its Edge Through Marathon Jobs

It burns fewer tokens than the previous flagship, explains its reasoning plainly, and closes out messy multi-step projects sooner.

  • Roughly 40% Less Spend per Task
    Default settings on Claude Opus 5.5 run about 40% cheaper — $4 per million input tokens, $20 output, and $0.20 for cache reads.
  • Over 30% Quicker Responses
    Claude Opus 5.5 returns answers more than 30% faster than its predecessor, and Fast mode can push that to 2.5x.
  • Plainer Writing, Better Long Sessions
    Claude Opus 5.5 puts the answer first, avoids padding, and holds context well across extended sessions.

Getting Started With Claude Opus 5.5

Three quick moves take Claude Opus 5.5 from setup to finishing coding, research, and overnight jobs.

What Claude Opus 5.5 Does Best

Six strengths of Claude Opus 5.5: coding agents, large migrations, injection defense, research accuracy, finance work, and token thrift.

Top-Tier Coding Agents, Smaller Bill

Claude Opus 5.5 lands 54.6% on FrontierCode and 52.5% on CursorBench while costing far less per finished task.

Whole-Codebase Migrations and Audits

One tester moved 680,000 lines in a single day; another repaired 200,000 lines in three hours — a job the older model needed 20 hours for.

Tougher Prompt-Injection Defenses

Across coding, tool use, and browsing, Claude Opus 5.5 equals or beats the prior flagship on injection — and ties Fable 5.1 on Gray Swan.

Accurate Research and Knowledge Work

16 of 18 Claude Opus 5.5 reports passed our quality bar, and it posts 1846 Elo on GDPval-AA v2.1.

Finance and Business Analysis

Walleye Capital watched Claude Opus 5.5 clear their suite on the lowest setting, and its merger model beat Opus 5 in 63 minutes.

Leaner Token Use per Task

Cheaper tokens plus fewer of them add up to a 40% drop for Claude Opus 5.5, and testers wrapped tasks in half the turns.

FAQ

Claude Opus 5.5: Common Questions

Quick answers on Claude Opus 5.5 pricing, response speed, autonomous safety, model comparisons, and how to get access.

1

What does Claude Opus 5.5 cost to run?

Input runs $4 and output $20 per million tokens — 20% under Opus 5 — with cache reads at $0.20, so everyday workloads land around 40% cheaper.

2

How quickly does Claude Opus 5.5 respond?

Output arrives more than 30% sooner than with Opus 5, and Fast mode inside Claude Code can reach 2.5x.

3

Can I leave Claude Opus 5.5 running on its own?

Yes — it ranks first in our automated behavioral audit and rarely takes irreversible steps or wanders past the boundaries it was given.

4

How does Claude Opus 5.5 stack up against Opus 5 and Fable 5.1?

On most tasks Claude Opus 5.5 keeps pace with Fable 5.1 and clearly outpaces Opus 5, though the real-world gap is narrower than benchmarks imply.

5

Is Claude Opus 5.5 available for biology or cybersecurity work?

Approved labs can join the Life Sciences Verification Program today, and Cyber Verification Program slots open up over the next few weeks.

6

Do subscription limits change with Claude Opus 5.5?

They do — five-hour caps increase on Pro, Max, Team, and seat-based Enterprise tiers, and you get a rate-limit reset you can bank and use whenever you like.

Put Claude Opus 5.5 to Work Now

Begin with Claude Opus 5.5 at roughly 40% less per task, plus higher five-hour ceilings and a bankable rate-limit reset for subscribers.