Independent AI API proxy

Claude Opus 4.5 API model through CorvusLLM

Use this high-capability Claude row when answer quality, deep coding, and multi-step reasoning matter more than lowest latency.

Independent service. Not affiliated with OpenAI, Anthropic, Google, or Z.AI.

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Public slugclaude-opus-4-5
Prepaid balanceUsage is deducted from your CorvusLLM account balance.
2026-04-29Pricing reference check date.
Direct answer

Use claude-opus-4-5 when your client should call Claude Opus 4.5.

This page is the canonical public CorvusLLM detail page for the Claude Opus 4.5 row. It lists the customer-facing slug, public prepaid rates, official reference rates, source URL, setup routes, and provider-affiliation boundary.

  • Use the exact public slug shown on this page.
  • Check cache read and cache write prices before long-context or repeated-prompt workloads.
  • Run one small request before moving production traffic.
  • Do not expose internal routing, PPV, pay-as-you-go, or backup-provider names.
  • Use support for private balance, payment, key, or account questions.
Pricing row

Claude Opus 4.5 public rates

CorvusLLM rates are public prepaid rates. Official rates are source-linked comparison references, not invoices from the provider.

Usage field CorvusLLM listed rate Official reference rate
Input tokens $1.75/1M $5.00/1M
Output tokens $8.75/1M $25.00/1M
Cache read tokens $0.175/1M $0.500/1M
Cache write tokens $2.1875/1M $6.25/1M

Source checked on 2026-04-29 from official provider pricing. Machine-readable row: data/models.json.

Best for

  • Deep coding and refactors
  • Long-form reasoning
  • Research and complex analysis

Not ideal for

  • lowest-cost bulk automation where a cheaper row is acceptable
  • regulated, sensitive, or secret-heavy data without a separate risk review
  • teams that require a financially backed SLA or official provider procurement

Setup source

Configure your tool with a CorvusLLM base URL, your delivered key, and the exact model slug claude-opus-4-5.

Provider boundary

CorvusLLM is an independent access layer and is not affiliated with Anthropic or the other listed model providers.

Setup paths

Use the guide that matches your client

The model slug is stable on this page, but the right base URL depends on the tool or SDK you use.

Configuration field Value Use it this way
Public model slug claude-opus-4-5 Use this exact customer-facing slug in supported clients.
OpenAI-compatible base URL https://base.corvusllm.com/v1 Use this for OpenAI SDKs, Open WebUI, ChatBox, n8n, Cursor-style custom providers, Windsurf, and similar OpenAI-compatible clients.
Anthropic-native base URL https://base.corvusllm.com/anthropic Use this only for Claude Code or tools that expect Anthropic-style request shapes.
API key Your CorvusLLM key Keep it in environment variables, tool credentials, or the client secret store; do not hardcode it in public code.
Pricing source /data/models.json Use the public model data and pricing tracker when verifying input, output, cache read, and cache write fields.
Exact setup docs Claude Code setup, OpenAI-compatible SDKs, Model catalog docs Choose the setup guide that matches your client before sending real workloads.
Claude Code setupSetup and implementation details OpenAI-compatible SDKsSetup and implementation details Model catalog docsSetup and implementation details Claude family pageCompare sibling rows Cost calculatorEstimate token cost before top-up Pricing trackerCheck public source table
Model FAQ

Common setup questions for Claude Opus 4.5

Use these short answers when you need the canonical slug, endpoint shape, service boundary, and first-test rule.

What slug should I use for Claude Opus 4.5?

Use claude-opus-4-5. This is the public CorvusLLM customer-facing slug for this model row.

Which base URL should I use with Claude Opus 4.5?

Use /v1 for OpenAI-compatible clients and /anthropic only for Claude Code or tools that expect Anthropic-style request shapes.

Is Claude Opus 4.5 an official provider account?

No. CorvusLLM is an independent prepaid access layer and is not affiliated with OpenAI, Anthropic, Google, or Z.AI.

What should I check before using Claude Opus 4.5 heavily?

Check input, output, cache read, and cache write pricing, then run one small non-sensitive request before larger prompts, repository context, or production automation.

Related models

Compare nearby Claude rows

Use sibling rows when you need a different speed, cost, or quality profile inside the same provider family.

Claude Haiku 4.5claude-haiku-4-5 Claude Opus 4.6claude-opus-4-6 Claude Opus 4.7claude-opus-4-7 Claude Sonnet 4.5claude-sonnet-4-5 Claude Sonnet 4.6claude-sonnet-4-6 All model familiesReturn to the model catalog
Risk checks

Verify before larger usage

Use these public pages when you need trust, status, legal, or data-handling context before buying or scaling.

Trust CenterLimits and service boundaries Verify CorvusLLMBuyer checklist Service StatusCurrent customer-facing health

Test Claude Opus 4.5 with one small request first.

Confirm the slug, output quality, and billed usage before moving real workloads or long-context prompts.

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Topic map

Continue with the right source

Move from model selection to exact slugs, cost estimates, billing behavior, and service limits without relying on old screenshots.

models Claude API models through CorvusLLM The Claude-family catalog page lists supported Claude customer-facing slugs, prepaid input/output/cache pricing. models AI Models The CorvusLLM model catalog directory helps users find current customer-facing model families, public slugs, pricing context. docs Use the canonical customer slug and keep it simple. Models & Slugs: Every customer-facing model with one customer slug, provider family, pricing. pricing AI API Pricing Tracker The pricing tracker compares official provider API prices with CorvusLLM public prepaid rates and links the model data used fo. pricing LLM API cost calculator The CorvusLLM cost calculator estimates request cost from input, output, cache read. docs Use CorvusLLM anywhere with the OpenAI /v1 path. OpenAI SDKs: Use CorvusLLM with curl, fetch, the OpenAI Python SDK, and the OpenAI Node SDK over the OpenAI-compatible /v1 pat. docs Claude Code uses /anthropic , not /v1 . Claude Code: Connect Claude Code through the Anthropic-native /anthropic gateway with copy-paste environment variables. docs bills against the customer key balance and stops at zero. Billing, Balance & Cache: How prepaid balance works, how same-key top-ups work, how usage deductions, out-of-balance behavior. trust Trust Center The Trust Center explains affiliation, data handling, support, refunds, compatibility evidence, pricing methodology. trust How to Verify CorvusLLM Before You Buy The verification checklist shows how to test CorvusLLM claims, endpoint setup, pricing data, status, legal pages. trust Proof of Operations Proof of Operations collects public evidence assets, published data, operational boundaries. status Checking current status The status page shows customer-facing live checks for website, checkout, customer login, and API compatibility routes. faq Frequently Asked Questions CorvusLLM FAQ and help center with searchable answers about pricing, refunds, delivery, API setup, Cursor, Claude Code.