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OpenAI • budget Tier

GPT-4o mini Pricing & Cost Calculator

Simulate enterprise token spend for GPT-4o mini. Calculate prompt caching ROI, conversation compounding across multi-turn sessions, and batch execution savings.

Baseline Rate $0.15 in / $0.60 out Per 1,000,000 Tokens
Preset Architecture:

Model Selection

Side-by-Side

1 Token ≈ standard BPE tokenizer token

Volume & Architecture Sliders

Daily Requests / Sessions25,000 / day
10 req/day750,000 req/mo500k req/day
System Prompt + RAG Context4,000 tokens
0Pinned Prefix100,000
User Input per Turn350 tokens
Model Output per Turn600 tokens
Conversation Turns per Session2 Turns (Compounding)

Multi-turn compounding re-sends conversation history each turn: cumulative context grows quadratically.

Prompt Cache Hit Rate60%
0% (No Cache)50%95% Max SLA
Batch API (24h Async Queue)50% discount on supported models (OpenAI, Anthropic, Google)
Primary Model A
OpenAI

GPT-4o mini

$1,300/ month
Run-Rate: $15,599/yr
Cost / 1k Reqs$1.733
Peak Context5.3k tokens
Comparison Model B
OpenAI

GPT-4o mini

$1,300/ month
Run-Rate: $15,599/yr
Cost / 1k Reqs$1.733
Peak Context5.3k tokens
GPT-4o mini is 0.0% cheaper
Net Delta: $0.00/mo ($0.00/year)
0.0% Margin Impact

Token Spend Composition (GPT-4o mini)

Total 8.14B tokens/mo
Fresh Input
$434.25
2.90B toks (33%)
Cached Input
$325.69
4.34B toks (25%)
Model Output
$540.00
900.00M toks (42%)

Volume Tier Cost Projection Table

Standard enterprise benchmark: 3k prompt tokens, 500 output tokens, 2 turns, 50% prompt cache hit.

Updated Daily
Daily Volume Monthly Requests Monthly Cost Annual Run-Rate Cost per 1k Reqs
1,000 req/day 30,000 / mo $43.99 $527.85 $1.466
10,000 req/day 300,000 / mo $439.88 $5,279 $1.466
100,000 req/day 3,000,000 / mo $4,399 $52,785 $1.466
1,000,000 req/day 30,000,000 / mo $43,988 $527,850 $1.466
Max Context Window 128.0k tokens

Flat unit economics across the entire context window with zero cliff surcharge.

Prompt Cache Read Discount 50% Off

Cached reads cost $0.075/1M vs $0.15/1M for standard input.

Batch API SLA 50% Discount

50% off for 24-hour asynchronous batch queuing workloads.

Frequently Asked Questions

What is the official token pricing for GPT-4o mini?

GPT-4o mini standard pricing is $0.15 per 1 million input tokens and $0.60 per 1 million output tokens. Prompt cache reads are billed at $0.075 per 1M tokens (50% discount).

How much does GPT-4o mini cost per 1,000 requests?

For a typical enterprise workload (3,000 prompt tokens, 500 output tokens, 2 turns with 50% prompt cache hit), GPT-4o mini costs approximately $1.466 per 1,000 requests.

Does GPT-4o mini have a context-window cliff surcharge?

No. GPT-4o mini features flat, predictable unit economics up to its maximum context window of 128,000 tokens without tiered rate spikes.

What is the best budget alternative model for GPT-4o mini?

For high-volume non-reasoning tasks or classification, the recommended budget routing alternative is gpt-4o-mini. Routing 70% of simpler intents to this tier typically reduces monthly invoices by over 50%.