Anthropic's latest flagship model with reliable knowledge cutoff to January 2026 and 128K max output tokens. Builds on Opus 4.6 with improved reasoning, coding, and instruction-following while staying compatible with the Anthropic Messages and OpenAI Chat Completions formats.
Test this model instantly in the Console Playground โ no code required
Copy usage instructions for Claude, ChatGPT, or other AI
| Token Type | Credits | USD Equivalent |
|---|---|---|
| Input Tokens | 10,000 | $10.00 |
| Output Tokens | 50,000 | $50.00 |
* 1 credit โ $0.001 (actual charges may vary based on usage)
curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdt_your_api_key" \
-d '{
"model": "claude-opus-4-7",
"messages": [
{
"role": "system",
"content": "You are a principal research analyst. Provide rigorous, source-aware analysis."
},
{
"role": "user",
"content": "Compare the safety and capability trade-offs of frontier closed-weight models versus open-weight alternatives for enterprise deployment in 2026, with mitigations."
}
],
"max_tokens": 8000
}'| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
messages | array | Yes | - | Array of message objects (OpenAI format) |
max_tokens | integer | No | 4096 | Maximum tokens in response (up to 128000) |
stream | boolean | No | false | Enable Server-Sent Events streaming |
Deep multi-step analysis with Claude Opus 4.7
curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdt_your_api_key" \
-d '{
"model": "claude-opus-4-7",
"messages": [
{
"role": "system",
"content": "You are a principal research analyst. Provide rigorous, source-aware analysis."
},
{
"role": "user",
"content": "Compare the safety and capability trade-offs of frontier closed-weight models versus open-weight alternatives for enterprise deployment in 2026, with mitigations."
}
],
"max_tokens": 8000
}'Generate production-ready code with full reasoning
curl -X POST "https://api.core.today/llm/anthropic/v1/messages" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdt_your_api_key" \
-d '{
"model": "claude-opus-4-7",
"messages": [
{
"role": "system",
"content": "You are a senior software engineer. Write clean, well-tested, production code."
},
{
"role": "user",
"content": "Implement a distributed rate limiter in Go using Redis Cluster with the leaky bucket algorithm. Include unit tests."
}
],
"max_tokens": 6000
}'POST /llm/anthropic/v1/messages