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Claude API

14 Claude models on one OpenAI-compatible API and one prepaid balance, up to 10% off the official price for every account.

Get API Key All 14 Claude models

Up to 10% off

$1.80 / $9.00 $2.00 / $10.00 per 1M input / output tokens

Claude Sonnet 5.5

Claude models and prices 14

ModelContextPriceDiscount
Claude Sonnet 5.5anthropic/claude-sonnet-5.51M$1.80 / $9.00 per 1M tokens $2.00 / $10.00−10%
Claude Opus 5.5anthropic/claude-opus-5.51M$3.60 / $18.00 per 1M tokens $4.00 / $20.00−10%
Claude Fable 5.1anthropic/claude-fable-5.11M$9.00 / $45.00 per 1M tokens $10.00 / $50.00−10%
Claude Opus 5anthropic/claude-opus-51M$4.50 / $22.50 per 1M tokens $5.00 / $25.00−10%
Claude Sonnet 5anthropic/claude-sonnet-51M$1.80 / $9.00 per 1M tokens $2.00 / $10.00−10%
Claude Fable 5anthropic/claude-fable-51M$9.00 / $45.00 per 1M tokens $10.00 / $50.00−10%
Claude Opus 4.8anthropic/claude-opus-4.81M$4.50 / $22.50 per 1M tokens $5.00 / $25.00−10%
Claude Opus 4.7anthropic/claude-opus-4.71M$4.50 / $22.50 per 1M tokens $5.00 / $25.00−10%
Claude Sonnet 4.6anthropic/claude-sonnet-4.61M$2.70 / $13.50 per 1M tokens $3.00 / $15.00−10%
Claude Opus 4.6anthropic/claude-opus-4.61M$4.50 / $22.50 per 1M tokens $5.00 / $25.00−10%
Claude Opus 4.5anthropic/claude-opus-4.5200K$4.50 / $22.50 per 1M tokens $5.00 / $25.00−10%
Claude Haiku 4.5anthropic/claude-haiku-4.5200K$0.90 / $4.50 per 1M tokens $1.00 / $5.00−10%
Claude Sonnet 4.5anthropic/claude-sonnet-4.51M$2.70 / $13.50 per 1M tokens $3.00 / $15.00−10%
Claude Opus 4.1anthropic/claude-opus-4.1200K$15.00 / $75.00 per 1M tokens—

Prices as of November 5, 2026. Official price: the model maker's list price. Tier 1–3: OceanToken's standing discounts by cumulative top-up, not limited-time offers.

Call the Claude API

Any OpenAI-compatible SDK works: set the base URL to https://api.oceantoken.ai/v1, use your OceanToken key and the model id as written. Claude models also answer on the Anthropic Messages API, with https://api.oceantoken.ai as the base URL.

Python
from openai import OpenAI
# Your API Key from the OceanToken console
client = OpenAI(base_url="https://api.oceantoken.ai/v1",
                api_key="YOUR_API_KEY")
reply = client.chat.completions.create(
    model="anthropic/claude-sonnet-5.5",
    messages=[{"role": "user", "content": "Hello"}])
print(reply.choices[0].message.content)

Why use Claude on OceanToken

  • One API key and one prepaid balance for nearly 500 models from 73 publishers.
  • OpenAI-compatible: change the base URL and the key, and keep your code.
  • Prepaid, with no subscription and no platform fee. Each API key can have its own spending limit.

Claude compared

Claude Sonnet 5.5 vs GPT-6 Sol · Claude Opus 5.5 vs GPT-6.1 Sol · Kimi K3 vs Claude Sonnet 5.5 · Grok 4.6 vs Claude Sonnet 5.5 · DeepSeek V4.1 Flash vs Claude Opus 5.5 · DeepSeek V4.1 Flash vs Claude Fable 5.1 · DeepSeek V4.1 Flash vs Claude Opus 5 · DeepSeek V4 Pro vs Claude Sonnet 5.5 · All comparisons

Cheaper alternatives to Claude Sonnet 5.5 · Cheaper alternatives to Claude Opus 5.5 · Cheaper alternatives to Claude Fable 5.1

Claude in coding agents

Use Claude Sonnet 5.5 in Cline · Use Claude Opus 5.5 in Cline · Use Claude Haiku 4.5 in Cline · Use Claude Sonnet 5.5 in Zoo Code (Roo Code) · Use Claude Opus 5.5 in Zoo Code (Roo Code) · Use Claude Haiku 4.5 in Zoo Code (Roo Code)

Frequently asked questions

How much does the Claude API cost?

On OceanToken Claude Sonnet 5.5 costs $1.80 / $9.00 per 1M tokens, against an official price of $2.00 / $10.00 per 1M tokens. The lowest-priced Claude model is Claude Haiku 4.5, at $0.90 / $4.50 per 1M tokens. Every model is billed per use from a prepaid balance, with no subscription.

Are these the official Claude models?

Yes. You call each model by its own name and get that model, below its official price: up to 10% off on the top tier. Every model page shows the official price next to ours before you call it.

How do I call the Claude API?

Create an API key in the OceanToken console, set the base URL to https://api.oceantoken.ai/v1 and use the model id, for example anthropic/claude-sonnet-5.5. The OpenAI SDKs and any OpenAI-compatible client work.

Do I need a subscription to use Claude?

No. You add credits by card, and each request is billed at the model’s price. Purchased credits are valid for 12 months.

Get API Key All models

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