Claude Sonnet 5.5 API pricing

Name: Claude Sonnet 5.5 API
Brand: Anthropic
SKU: anthropic/claude-sonnet-5.5
Price: 18000 IDR
Availability: InStock

Use Claude Sonnet 5.5 by Anthropic through Vikey from Rp18.000 per 1M input tokens, about 55% below the official price. Pay in Rupiah with QRIS.

Claude Sonnet 5.5 pricing

-55%

Input: ~~Rp36.000~~Rp18.000
Output: ~~Rp180.000~~Rp72.000
Cache read: Rp3.600

Per 1M tokens. Official price struck through.

About Claude Sonnet 5.5

Model id: anthropic/claude-sonnet-5.5
Context window: 1M tokens
Capabilities: coding, OpenClaw, vision

Use Claude Sonnet 5.5 with your coding agent

Point the base URL and API key to Vikey, then select Claude Sonnet 5.5. Works with Claude Code, Codex, opencode and other tools that support an OpenAI or Anthropic base URL.

Terminal

export ANTHROPIC_BASE_URL=https://api.vikey.ai
export ANTHROPIC_AUTH_TOKEN=YOUR_VIKEY_API_KEY
export ANTHROPIC_MODEL=anthropic/claude-sonnet-5.5
export ANTHROPIC_DEFAULT_HAIKU_MODEL=openai/gpt-6-luna
claude

~/.codex/config.toml

# First run: export VIKEY_API_KEY=YOUR_VIKEY_API_KEY
model = "anthropic/claude-sonnet-5.5"
model_provider = "vikey"

[model_providers.vikey]
name = "Vikey"
base_url = "https://api.vikey.ai/v1"
env_key = "VIKEY_API_KEY"
wire_api = "responses"

~/.config/opencode/opencode.jsonc

// First run: export VIKEY_API_KEY=YOUR_VIKEY_API_KEY
{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "vikey": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "Vikey",
      "options": {
        "baseURL": "https://api.vikey.ai/v1",
        "apiKey": "{env:VIKEY_API_KEY}"
      },
      "models": {
        "anthropic/claude-sonnet-5.5": {},
        "openai/gpt-6-luna": {}
      }
    }
  },
  "model": "vikey/anthropic/claude-sonnet-5.5",
  "small_model": "vikey/openai/gpt-6-luna"
}

curl

curl https://api.vikey.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_VIKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-sonnet-5.5", "messages": [{"role": "user", "content": "Halo"}]}'

See the full guide in the docs

Frequently asked questions

How much does the Claude Sonnet 5.5 API cost on Vikey?

Rp18.000 per 1M input tokens and Rp72.000 per 1M output tokens. You pay as you go, with no monthly fee.

How do I use Claude Sonnet 5.5 with Claude Code or Codex?

Create an API key on Vikey, then change the base URL and API key in your agent. After that, select Claude Sonnet 5.5 as the model. The docs have the full steps.

Can I use Claude Sonnet 5.5 together with other models?

Yes. One Vikey API key works for every model. Just change the model name in your request or in your agent settings.

Can I pay for Claude Sonnet 5.5 with QRIS?

Yes. Top up with QRIS from Rp10.000, no credit card needed. The same balance works for every model on Vikey.

See all models

Claude Sonnet 5.5 API pricing

Claude Sonnet 5.5 pricing

About Claude Sonnet 5.5

Use Claude Sonnet 5.5 with your coding agent

Frequently asked questions

Similar models

Start using Claude Sonnet 5.5 today