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GPT API Cost کا حساب کیسے لگائیں

GPT API Cost کیا ہے؟

The GPT API Cost Calculator estimates your monthly OpenAI API expense based on model selection, token usage, and call volume. It covers GPT-4o, GPT-4-turbo, GPT-4, GPT-3.5-turbo, and o1 models with separate input and output token pricing.

فارمولا

Monthly Cost = (Input Tokens × Input Price/1K) + (Output Tokens × Output Price/1K)
T_in
Input Tokens (tokens/request) — Average tokens sent per API call (prompt + system message)
T_out
Output Tokens (tokens/request) — Average tokens generated per API response
N
Monthly API Calls (calls/month) — Total number of API requests per month
P_in
Input Price ($/1M tokens) — Price per million input tokens for selected model
P_out
Output Price ($/1M tokens) — Price per million output tokens for selected model

مرحلہ وار گائیڈ

  1. 1Select the OpenAI model (GPT-4o, GPT-4-turbo, GPT-3.5-turbo, o1, etc.)
  2. 2Enter your average input tokens per request and output tokens per response
  3. 3Specify the number of API calls per day or month
  4. 4View the total monthly cost with a breakdown of input vs. output expenses

حل شدہ مثالیں

ان پٹ
GPT-4o: 1,000 input tokens, 500 output tokens per call, 10,000 calls/month
نتیجہ
Input: 10M tokens × $2.50/1M = $25.00. Output: 5M tokens × $10.00/1M = $50.00. Total: $75.00/month.
ان پٹ
GPT-4-turbo: 2,000 input + 1,000 output per call, 50,000 calls/month
نتیجہ
Input: 100M tokens × $10.00/1M = $1,000. Output: 50M tokens × $30.00/1M = $1,500. Total: $2,500/month.

عام غلطیاں جن سے بچنا ہے

  • ✕Using the same price for input and output tokens — output tokens are typically 2-4x more expensive than input tokens
  • ✕Not accounting for system prompt tokens that are sent with every API call, adding significant hidden cost at scale
  • ✕Ignoring token overhead from conversation history in chat-based applications, which grows with each turn

اکثر پوچھے جانے والے سوالات

How much does GPT-4o cost per message?

A typical GPT-4o conversation message costs $0.003-$0.01 (about a third of a cent to one cent). With 500 input tokens and 300 output tokens: ($2.50 × 500 + $10.00 × 300) / 1,000,000 = $0.0043 per message. At scale, this adds up quickly — 1 million messages would cost approximately $4,300.

Is GPT-4o cheaper than GPT-4-turbo?

Yes, significantly. GPT-4o input tokens cost $2.50/1M vs. GPT-4-turbo at $10.00/1M (75% cheaper input), and output tokens cost $10.00/1M vs. $30.00/1M (67% cheaper output). GPT-4o also offers faster response times, making it the better choice for most production workloads.

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