Claude Opus 4.6 API on AvalAI
claude-opus-4-6Claude Opus 4.6 is an AI model from Anthropic that is available through AvalAI's OpenAI-compatible API.
Use Claude Opus 4.6 with the AvalAI API
Keep the API key in an environment variable and send requests from server-side code.
curl https://api.avalai.ir/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $AVALAI_API_KEY" \
-d '{"model": "claude-opus-4-6", "messages": [{"role": "user", "content": "Give a concise, practical solution."}]}'import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AVALAI_API_KEY"],
base_url="https://api.avalai.ir/v1",
)
response = client.chat.completions.create(
model="claude-opus-4-6",
messages=[{"role": "user", "content": "Give a concise, practical solution."}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.AVALAI_API_KEY,
baseURL: "https://api.avalai.ir/v1",
});
const response = await client.chat.completions.create({
model: "claude-opus-4-6",
messages: [{ role: "user", content: "Give a concise, practical solution." }],
});
console.log(response.choices[0].message.content);Create an API keyRead the quickstart
Capabilities and endpoints
- Adaptive thinking
- Computer use
- Function calling
- Max reasoning effort
- Structured output
- Output config
- PDF input
- Prompt caching
- Reasoning
- Structured output
- Speed
- Tool choice
- Vision
Third-party model parameters
Third-party reference data does not change AvalAI endpoint support; use the capabilities and endpoints above.
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity
Supplemental reasoning effort values
high, low, max, medium
Claude Opus 4.6 rate limits
| Tier | RPM | TPM |
|---|---|---|
| Tier 1 | 2 | 30,000 |
| Tier 2 | 25 | 450,000 |
| Tier 3 | 50 | 800,000 |
| Tier 4 | 100 | 1,000,000 |
| Tier 5 | 150 | 4,000,000 |
AvalAI and reference marketplace pricing
| Token role | AvalAI final price0% platform fee | OpenRouter cost breakdown | ||
|---|---|---|---|---|
| Model rate | Credit purchase fee | Effective OpenRouter cost after fee | ||
| Input price | $5.00 / 1M tokens | $5.00 / 1M tokens | 5.5% | $5.28 / 1M tokens |
| Output price | $25.00 / 1M tokens | $25.00 / 1M tokens | 5.5% | $26.38 / 1M tokens |
AvalAI pricing is final with a 0% platform fee. The effective OpenRouter prices add its 5.5% credit purchase fee to the highest reported model rate, including long-context tiers. OpenRouter charges a 5.5% fee when credits are purchased ($0.80 minimum), so small credit purchases can have a higher effective cost. OpenRouter FAQ
Third-party model data
Source: OpenRouterIndependent sources supplement this context; AvalAI remains authoritative for pricing, availability, and endpoint support.
Reviewed snapshot 2026-07-31 · This snapshot was checked more than 14 days ago.
- Provider count
- —
- Context window range
- 1,000,000
- Maximum output range
- 128,000
- OpenRouter model input rate range
- $5 / 1M
- OpenRouter model output rate range
- $25 / 1M
- OpenRouter fee
- 5.5% credit purchase fee · OpenRouter fee details
- Effective input price range after fee
- $5.275 / 1M
- Effective output price range after fee
- $26.375 / 1M
Related models
Frequently asked questions
What is the Claude Opus 4.6 API on AvalAI?
Create an AvalAI API key and send the model ID claude-opus-4-6 to one of the supported endpoints shown on this page.
How much does the Claude Opus 4.6 API cost on AvalAI?
The Claude Opus 4.6 API on AvalAI costs $5.00 per 1M input tokens and $25.00 per 1M output tokens.
What is the token cost for Claude Opus 4.6?
Current AvalAI pricing for Claude Opus 4.6 is $5.00 / 1M tokens for input and $25.00 / 1M tokens for output.
What is the Claude Opus 4.6 context window?
The recorded maximum input context for Claude Opus 4.6 is 1,000,000 tokens.
What are the rate limits for Claude Opus 4.6 on AvalAI?
On tier 5, Claude Opus 4.6 on AvalAI supports up to 150 requests per minute and 4,000,000 tokens per minute.
What features does Claude Opus 4.6 support on AvalAI?
Claude Opus 4.6 on AvalAI supports Adaptive thinking, Computer use, Function calling, Max reasoning effort, Structured output, Output config, PDF input, Prompt caching, Reasoning, Structured output, Speed, Tool choice, Vision.
What account tier is required to use Claude Opus 4.6 on AvalAI?
Calling Claude Opus 4.6 on AvalAI requires tier 1 or higher.
Third-party data and freshness
- Pricing, availability, endpoints, and rate limits: AvalAI structured data (authoritative)
- OpenRouter marketplace · Last checked: 2026-07-31