openaiavailablesupports_function_callingsupports_minimal_reasoning_effortsupports_parallel_function_callingsupports_pdf_inputsupports_prompt_cachingsupports_reasoningsupports_response_schemasupports_system_messagessupports_tool_choicesupports_visionsupports_web_search

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OpenAIAvailable on AvalAI

GPT-5 Pro API on AvalAI

gpt-5-pro

GPT-5 Pro is an AI model from OpenAI that is available through AvalAI's OpenAI-compatible API.

Open dashboardCompare

Price display scale

Input price$15.00 / 1M tokens

Output price$120.00 / 1M tokens

Context window400,000 tokens

Maximum output272,000 tokens

Release date2025-10-06

Knowledge cutoff2024-09-30

Use GPT-5 Pro with the AvalAI API

Keep the API key in an environment variable and send requests from server-side code.

Bash

curl https://api.avalai.ir/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $AVALAI_API_KEY" \
  -d '{"model": "gpt-5-pro", "input": "Give a concise, practical solution."}'

Python

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AVALAI_API_KEY"],
    base_url="https://api.avalai.ir/v1",
)

response = client.responses.create(
    model="gpt-5-pro",
    input="Give a concise, practical solution.",
)

print(response.output_text)

JavaScript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.AVALAI_API_KEY,
  baseURL: "https://api.avalai.ir/v1",
});

const response = await client.responses.create({
  model: "gpt-5-pro",
  input: "Give a concise, practical solution.",
});

console.log(response.output_text);

Create an API keyRead the quickstart

Capabilities and endpoints

• Function calling
• Minimal reasoning effort
• Parallel function calling
• PDF input
• Prompt caching
• Reasoning
• Structured output
• System messages
• Tool choice
• Vision
• Web search

Endpoints

• /v1/batch
• /v1/responses

Third-party model parameters

Third-party reference data does not change AvalAI endpoint support; use the capabilities and endpoints above.

• include_reasoning
• max_tokens
• reasoning
• reasoning_effort
• response_format
• seed
• structured_outputs
• tool_choice
• tools

Supplemental reasoning effort values

high

GPT-5 Pro rate limits

Tier	RPM	TPM
Tier 2	10	450,000
Tier 3	50	800,000
Tier 4	150	1,000,000
Tier 5	5,000	30,000,000

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	$15.00 / 1M tokens	$15.00 / 1M tokens	5.5%	$15.82 / 1M tokens
Output price	$120.00 / 1M tokens	$120.00 / 1M tokens	5.5%	$126.60 / 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: OpenRouter

Independent 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

400,000

Maximum output range

128,000

OpenRouter model input rate range

$15 / 1M

OpenRouter model output rate range

$120 / 1M

OpenRouter fee

5.5% credit purchase fee · OpenRouter fee details

Effective input price range after fee

$15.825 / 1M

Effective output price range after fee

$126.6 / 1M

Related models

• gpt-5-pro-2025-10-06
• gpt-5-nano-2025-08-07
• GPT-5 Nano
• gpt-5-mini-2025-08-07

Frequently asked questions

What is the GPT-5 Pro API on AvalAI?

Create an AvalAI API key and send the model ID gpt-5-pro to one of the supported endpoints shown on this page.

How much does the GPT-5 Pro API cost on AvalAI?

The GPT-5 Pro API on AvalAI costs $15.00 per 1M input tokens and $120.00 per 1M output tokens.

What is the token cost for GPT-5 Pro?

Current AvalAI pricing for GPT-5 Pro is $15.00 / 1M tokens for input and $120.00 / 1M tokens for output.

What is the GPT-5 Pro context window?

The recorded maximum input context for GPT-5 Pro is 400,000 tokens.

What are the rate limits for GPT-5 Pro on AvalAI?

On tier 5, GPT-5 Pro on AvalAI supports up to 5,000 requests per minute and 30,000,000 tokens per minute.

What features does GPT-5 Pro support on AvalAI?

GPT-5 Pro on AvalAI supports Function calling, Minimal reasoning effort, Parallel function calling, PDF input, Prompt caching, Reasoning, Structured output, System messages, Tool choice, Vision, Web search.

What account tier is required to use GPT-5 Pro on AvalAI?

Calling GPT-5 Pro on AvalAI requires tier 2 or higher.

Third-party data and freshness

• Pricing, availability, endpoints, and rate limits: AvalAI structured data (authoritative)
• OpenRouter marketplace · Last checked: 2026-07-31