Claude Haiku 4.5 API on AvalAI
claude-haiku-4-5Claude Haiku 4.5 is an AI model from Anthropic that is available through AvalAI's OpenAI-compatible API.
Use Claude Haiku 4.5 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-haiku-4-5", "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-haiku-4-5",
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-haiku-4-5",
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
- Assistant prefill
- Computer use
- Function calling
- Structured output
- PDF input
- Prompt caching
- Reasoning
- Structured output
- 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_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Claude Haiku 4.5 rate limits
| Tier | RPM | TPM |
|---|---|---|
| Basic | 1 | 10,000 |
| Tier 1 | 25 | 50,000 |
| Tier 2 | 100 | 450,000 |
| Tier 3 | 250 | 1,000,000 |
| Tier 4 | 500 | 4,000,000 |
| Tier 5 | 1,500 | 8,000,000 |
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 | $1.00 / 1M tokens | $1.00 / 1M tokens | 5.5% | $1.06 / 1M tokens |
| Output price | $5.00 / 1M tokens | $5.00 / 1M tokens | 5.5% | $5.28 / 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
Peer benchmark performance
Independent, sourced scores with no composite rating.
Artificial Analysis Agentic Index
| Score | Peer rank | Direction | Source and date |
|---|---|---|---|
| 10.4 index | No comparable data | Higher is better | OpenRouter · 2026-09-05 |
Artificial Analysis Coding Index
| Score | Peer rank | Direction | Source and date |
|---|---|---|---|
| 43.9 index | No comparable data | Higher is better | OpenRouter · 2026-09-05 |
Artificial Analysis Intelligence Index
| Score | Peer rank | Direction | Source and date |
|---|---|---|---|
| 22.5 index | No comparable data | Higher is better | OpenRouter · 2026-09-05 |
Third-party model data
Source: OpenRouterIndependent sources supplement this context; AvalAI remains authoritative for pricing, availability, and endpoint support.
Reviewed snapshot 2026-09-05
- Provider count
- —
- Context window range
- 200,000
- Maximum output range
- 64,000
- OpenRouter model input rate range
- $1 / 1M
- OpenRouter model output rate range
- $5 / 1M
- OpenRouter fee
- 5.5% credit purchase fee · OpenRouter fee details
- Effective input price range after fee
- $1.055 / 1M
- Effective output price range after fee
- $5.275 / 1M
Related models
- anthropic.claude-haiku-4-5-20251001-v1:0
- Claude Sonnet 5
- Claude Sonnet 4.6
- anthropic.claude-sonnet-4-5-20250929-v1:0
Frequently asked questions
What is the Claude Haiku 4.5 API on AvalAI?
Create an AvalAI API key and send the model ID claude-haiku-4-5 to one of the supported endpoints shown on this page.
How much does the Claude Haiku 4.5 API cost on AvalAI?
The Claude Haiku 4.5 API on AvalAI costs $1.00 per 1M input tokens and $5.00 per 1M output tokens.
What is the token cost for Claude Haiku 4.5?
Current AvalAI pricing for Claude Haiku 4.5 is $1.00 / 1M tokens for input and $5.00 / 1M tokens for output.
What is the Claude Haiku 4.5 context window?
The recorded maximum input context for Claude Haiku 4.5 is 200,000 tokens.
What are the rate limits for Claude Haiku 4.5 on AvalAI?
On tier 5, Claude Haiku 4.5 on AvalAI supports up to 1,500 requests per minute and 8,000,000 tokens per minute.
What features does Claude Haiku 4.5 support on AvalAI?
Claude Haiku 4.5 on AvalAI supports Assistant prefill, Computer use, Function calling, Structured output, PDF input, Prompt caching, Reasoning, Structured output, Tool choice, Vision.
What account tier is required to use Claude Haiku 4.5 on AvalAI?
Calling Claude Haiku 4.5 on AvalAI requires the Basic tier (tier 0) or higher.
Third-party data and freshness
- Pricing, availability, endpoints, and rate limits: AvalAI structured data (authoritative)
- OpenRouter marketplace · Last checked: 2026-09-05