AI Model Profile

Claude Opus 5.5

Claude Opus 5.5 is an Anthropic API model with a 1M-token context and 128K maximum standard output. It accepts text and images and generates text.

Family
Claude
Release date
2026-09-22
Status
Current
Context window
1000000
Output limit
128000
API
yes
Open weights
no
Local/self-hosted
no
Pricing
Standard USD per million tokens: input $4; output $20; 5-minute cache write $5; 1-hour cache write $8; cache read $0.20.
Evidence state
Source-verified

Benchmark Caveat

Provider capability descriptions are not independent performance measurements. Existing historical tests on other versions do not apply to this exact model.

No Kingy benchmark was run for this source-only profile.

Agent suitability

Tool use is supported. Forced tool choice is unsupported. The older computer_20251124 tool is not accepted on Claude API/Google Cloud; use the documented current toolset. Output up to 300K is a beta with output-300k-2026-03-24.

Kingy AI Product Facts

Claude Opus 5.5

Current statusUnknown

Company
Anthropic
Primary job
Not yet reviewed
Audience
Not yet reviewed
Evidence
Source-backed; coverage expanding
Latest source check
October 19, 2026
See all tracked product factsPricing, platforms, dependencies, data claims, regions, and timeline

Sources and checks

Coverage
4 of 88 tracked fields currently verified
Sources
1

Source-check dates apply to the tracked facts. Editorial updates elsewhere on this page may have a different date.

Plans and pricing units

Not yet structured in this Kingy record.

Where it runs

Availability
Not yet reviewed

Stack and integrations

Model / provider dependencies
Not yet reviewed
Integrations
Not yet reviewed

Data and regions

Vendor data-use claim
Not yet reviewed
Vendor retention claim
Not yet reviewed
Regions
Not yet reviewed

Launch and latest material update

Launch
Not yet reviewed
Latest material update
Not yet reviewed
Technical evidence and revision history
Embed “Facts tracked by Kingy”

This label is not a security certification, audit, or product endorsement. It reports the facts Kingy currently supports and when they were last checked.

Reasoning notes

Adaptive thinking is always enabled; default effort is medium. Forced tool_choice any or tool is unsupported.

API pricing notes

Batch offers a 50% input/output discount. Standard context pricing and platform-specific restrictions must be checked on the linked official model page. No paid request or invoice was tested.

Kingy coverage

Kingy AI articles that cover Claude Opus 5.5, newest first.

  1. BlogGPT-6.1 Sol vs Claude Opus 5.5: Which Is Better Value?
  2. BlogClaude Sonnet 5.5 vs Opus 5.5: Which Should You Use?
  3. BlogGPT-6 Astra vs Claude Opus 5.5: Benchmarks, Costs and Which to Choose
  4. BlogClaude Opus 5.5 vs Fable 5.1: Is Fable Still Worth the Premium?
  5. BlogGPT-6 Astra vs Claude Opus 5.5: Which Reasoning Setting Gives You the Best Value?
  6. BlogGPT-6 Sol vs Claude Opus 5.5: Benchmarks, Specs and Real Costs
  7. BlogClaude Opus 5.5 vs GPT-6 Astra, Sol and Luna vs GPT-5.6 Sol: Benchmarks and Real Costs
  8. BlogClaude Opus 5.5: Specs, Benchmarks, Pricing and How It Stacks Up Against GPT-6 Astra, Fable 5.1 and Every Frontier Model