Claude Sonnet4.6AnthropicChat
claude-sonnet-4-6
Best speed/intelligence balance — 1M context, near-Opus coding, the production default.
Starts from$15 / 1M outTry it
Anthropic
Claude APIs for Opus, Sonnet & Haiku
Build reasoning agents, coding tools, and high-volume AI workflows with the Claude models currently available through LinkModel.
Provider overview
About Anthropic
Anthropic develops the Claude family of language models. Opus targets the most capable reasoning and agent workloads, Sonnet balances intelligence, speed, and cost, and Haiku is optimized for fast, efficient tasks. LinkModel only presents a model as available when it appears in the live catalog.
Explore Anthropic Claude APIs
Choose Opus for the most demanding reasoning and agent work, Sonnet for balanced production workloads, or Haiku for speed and efficiency. This catalog only shows Anthropic models currently listed on LinkModel.
5 models listed
Claude language and agent APIs
Compare live Claude models for advanced reasoning, coding, tool use, long-running agents, and efficient high-volume language tasks.
Claude Sonnet4.6
Claude Opus4.7AnthropicChat
claude-opus-4-7
Anthropic's flagship LLM excelling at long-horizon agents and coding, scoring 87.6% on SWE-bench Verified, with 1M context, adaptive thinking, and high-res vision — for complex coding and enterprise workflows.
Starts from$18.75 / 1M outTry it
Claude Opus4.6AnthropicChat
claude-opus-4-6
First Opus with 1M context and native multi-agent collaboration; 128K max output.
Starts from$18.75 / 1M outTry it
Claude Haiku4.5AnthropicChat
claude-haiku-4-5-20251001
Fastest, cheapest Claude — built for real-time, automation, and high-volume workloads.
Starts from$20 / 1M outTry it
Claude Opus 4.5-testAnthropicChat
claude-opus-4-5-20251101
Anthropic's 4th-gen flagship setting state-of-the-art on SWE-Bench Verified and ARC-AGI-2, introducing effort control and context compaction, with industry-leading prompt-injection robustness — built for coding, reasoning, and enterprise agents.
Starts from$18.75 / 1M outTry it
Compare Claude models and API pricing
Start with Claude Opus 4.8 for the hardest reasoning, coding, and long-running agent workloads; Claude Sonnet 4.6 for balanced production intelligence; or Claude Haiku 4.5 when speed and cost efficiency matter most. Recommendations only appear when the matching model is live in LinkModel's catalog.
Claude language and agent APIs
Best for
The highest-capability Claude tier for difficult analysis, advanced software engineering, and long-running agent workflows.
PricingView pricing
Best for
A balanced Claude tier for production agents, coding, and general knowledge work where capability, latency, and cost all matter.
PricingView pricing
Best for
The fast, efficient Claude tier for responsive assistants, classification, extraction, and high-volume automation.
PricingView pricing
What can you build with Anthropic APIs on LinkModel?
Use the live Claude family for complex reasoning, software development, agents, and efficient production automation from one account.
Software engineering agents
Build coding assistants and autonomous engineering workflows that can reason across large codebases, use tools, and complete multi-step tasks.
Research and knowledge workflows
Analyze complex material, synthesize findings, and produce structured outputs with the live Claude tier that fits the required depth and latency.
Customer and operations automation
Power assistants, classification, extraction, and tool-driven business processes while balancing response quality, speed, and cost.
Why run Anthropic models through LinkModel?
Access supported Claude tiers alongside other leading providers while keeping credentials, usage, and billing in one workflow.
One key across live Claude tiers
Use one LinkModel API key for the supported Opus, Sonnet, and Haiku models enabled in the live catalog.
Anthropic alongside other providers
Compare or combine Claude with other language models without maintaining a separate provider account and billing workflow.
Centralized usage and billing
Review usage and pay-as-you-go charges in one LinkModel account while selecting the Claude tier that fits each workload.
Integrate Claude APIs
Use one LinkModel credential to select a live Claude model, send the matching request, and monitor usage from the same account.
Authenticate with one API key
Create a LinkModel API key and use it to authenticate requests for the Anthropic models enabled for your account.
Choose a live Claude model
Select an available Opus, Sonnet, or Haiku model and open its model page to confirm the current identifier, request schema, and pricing.
Send, observe, and iterate
Submit the request, handle the response, and compare usage before moving the workflow into production.
Anthropic model guides
![Claude Opus 4.5 API Pricing: Platform Cost Comparison [2026]](https://static.linkmodel.ai/blog-cover/cover-claude-opus-pricing.png)
Claude Opus 4.5 API Pricing: Platform Cost Comparison [2026]
Claude Opus API pricing in 2026 — from 4.5 through the current Opus 4.8 at $5/$25 per million tokens. Batch, caching, routing multipliers, and how platforms compare.
Claude Sonnet API Guide: Pricing & When to Use It Over Opus
A practical Claude Sonnet 4.6 API guide — near-Opus quality at $3/$15 per million tokens. Pricing, strengths, and when Sonnet is the smarter, cheaper choice than Opus.
Claude Haiku API Guide: Cheapest Claude at $1/$5 per Million
A practical Claude Haiku 4.5 API guide — Anthropic's fastest, cheapest model at $1/$5 per million tokens. When Haiku is enough, and when to escalate to Sonnet or Opus.
How to Get a Claude API Key in 2026 (Anthropic Console + Alternative)
Step-by-step: create an Anthropic API key in the Claude console, add credits, keep it secure — plus a cheaper one-key way to call Claude Opus, Sonnet and Haiku.
FAQ
Frequently asked questions.
Sources and editorial information
Editorial review
Model capabilities and selection guidance are reviewed against the official Anthropic sources listed here.
Editorial content reviewed: September 1, 2026
Anthropic and its model names belong to their respective owners. LinkModel is an independent API aggregation platform and does not imply a formal relationship.