Cost Calculator
Project your monthly LLM spend
Compare 153 free models against 15 paid alternatives. Numbers update live.
Quick presets:
Workload
1,000
5
800
400
Monthly request volume
150,000
120.0M input · 60.0M output tokens
Free models cost you
$0 / month
153 models available at $0
vs cheapest paid (GPT-4o mini)
$54.00/mo saved
Cost comparison (lowest first) Free PaidLive
Live
Full Breakdown
| Model | Access | Monthly Cost |
|---|---|---|
Claude Opus 4.8 (keyless) | FREE | $0 |
GPT-5.5 (keyless) | FREE | $0 |
Claude Opus 4 (free via GitHub) | FREE | $0 |
Claude Sonnet 4.5 (free via GitHub) | FREE | $0 |
o3 (free via GitHub) | FREE | $0 |
DeepSeek V4 Pro (free via GitHub) | FREE | $0 |
DeepSeek V4 Pro (NVIDIA) | FREE | $0 |
Nemotron 3 Ultra (free) | FREE | $0 |
Gemini 2.5 Pro | FREE | $0 |
Claude 4 Sonnet (free via GitHub) | FREE | $0 |
Nemotron 3 Ultra (free via GitHub) | FREE | $0 |
Claude (keyless) | FREE | $0 |
vs GPT-4o
$900/mo
Free saves $900
vs Claude 4 Sonnet
$1260/mo
Free saves $1260
vs Gemini 2.5 Pro
$750/mo
Free saves $750
Free tiers carry rate limits (typically 30–1000 req/min). For workloads above ~10K daily requests, split traffic across providers with BYOK, use a gateway, or tier up. All free models can be combined — Groq for speed, OpenRouter for variety, NVIDIA for cutting-edge.