Calculators
LLM cost calculators
Per-use-case cost calculators built on one formula: input tokens and output tokens, each priced per million. Every page shows the arithmetic, the monthly projection and what the estimate deliberately excludes. Live per-model rates come from the model catalogue.
Estimate your token cost
Enter both rates to see the cost, or pick a Rynler model above.
- Per run
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- Per day
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- Per 30 days
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Input and output share of the cost
Enter both rates to see the cost, or pick a Rynler model above.
Start here
Provider-neutral token arithmetic: the formula, the units and the monthly projection.
- LLM cost calculator
Estimate any LLM token bill from input and output counts and a per-million rate. Formula, worked example and monthly projection.
- Token cost calculator
Turn any LLM token count into a cost estimate. The per-million formula, unit conversion and a monthly projection.
- LLM token cost calculator
The per-million token formula explained simply. Unit conversion, worked example and monthly projection.
- API token cost calculator
Generic API token cost arithmetic: counts and rates in, dollars out. Formula, units and exclusions.
- LLM pricing calculator
Compare LLM pricing tiers with one formula. How rate differences translate into monthly differences.
- LLM token price calculator
Turn per-million token prices into concrete costs for your counts. Units, formula and worked example.
- LLM inference cost calculator
Inference cost per request and per month from your own token counts. Formula and worked example.
- LLM usage cost calculator
Turn provider usage records into a cost estimate. Reconciliation formula and known billing gaps.
- LLM cost calculator in Python
The LLM token-cost formula as a small Python function. Drop it into a batch job and audit your spend.
OpenAI and GPT
GPT tiers, ChatGPT-style chat traffic and Azure-hosted OpenAI models.
- OpenAI API cost calculator
Estimate an OpenAI API bill from token counts and per-million rates. Formula, monthly projection and what the estimate excludes.
- OpenAI pricing calculator
Convert GPT token counts to dollars. Input versus output pricing, the output multiplier and a monthly projection.
- OpenAI token pricing calculator
Input versus output token pricing explained with the formula. The output multiplier and its effect on the bill.
- OpenAI usage cost calculator
Reconcile OpenAI usage records against expected cost. The formula, cache rules and common gaps.
- OpenAI cost per token
Per-token cost on OpenAI tiers, input and output side. Unit math and the output multiplier.
- OpenAI cost estimator
Estimate a monthly OpenAI API bill from workload shape and current rates. Formula and cadence multipliers.
- GPT API cost calculator
Per-run and monthly GPT API cost arithmetic from your own token counts. Formula and worked example.
- GPT token calculator
Convert GPT token counts to dollars without sending a request. The formula and a worked example.
- GPT cost estimator
Estimate GPT-class API costs per run and per month. Formula, cadence and exclusions.
- GPT-4o cost calculator
Estimate GPT-4o class token costs per run and per month from your own counts and current rates.
- GPT-4o mini cost calculator
High-volume workload estimates for small-tier models. Token arithmetic, runs per day and monthly projection.
- GPT-4 cost calculator
Cost arithmetic for GPT-4 class workloads. Rates re-rateable, formula, monthly projection.
- ChatGPT API cost calculator
Estimate the API cost of a chat workload. Context resend, output multipliers and monthly projection explained.
- ChatGPT cost estimator
Estimate chat bot and agent API costs. Context resend, output multipliers and monthly projection.
- Azure LLM cost calculator
The token-cost formula for Azure-hosted models. Swap in region rates for an exact estimate.
- Azure OpenAI cost calculator
Azure OpenAI cost estimation with region-specific rates. Formula, unit handling and exclusions.
Anthropic Claude
Claude tiers from Haiku to Opus, priced with the same two-rate formula.
- Claude API cost calculator
Estimate Anthropic API costs from input and output token counts. Formula, output multiplier and monthly projection.
- Claude pricing calculator
One workload across three model tiers. How to re-rate the cost formula for each tier and compare monthly totals.
- Claude API pricing calculator
Translate a Claude rate card into a bill for your token mix. Input, output and cached-input sides.
- Claude cost calculator
Claude API cost arithmetic: input and output token counts to dollars. Formula and monthly projection.
- Claude cost estimator
Project monthly Claude API spend from a measured workload. Cadence multipliers and exclusions.
- Claude token calculator
Anthropic token counts to USD. The formula, cache caveat and monthly projection.
- Claude Haiku cost calculator
Volume workload estimates for small model tiers. Per-run cost, runs per day and the monthly projection.
- Claude Opus cost calculator
Premium model tier cost estimation. Per-run arithmetic and monthly budgeting for hard problems, not volume.
- Anthropic API cost calculator
Anthropic token cost arithmetic: per-million rates to dollars. Formula, tiers and exclusions.
Google Gemini
Gemini Flash and Pro tiers, including long-context workloads.
- Gemini API cost calculator
Estimate Gemini API token costs. Long-context workload shape, formula and monthly projection.
- Gemini API pricing calculator
Flash and Pro tier pricing compared on one workload. The formula, the tier trade-off and monthly projections.
- Gemini cost calculator
Gemini API token costs from your own counts. Input and output sides, formula and projection.
- Gemini cost estimator
Estimate monthly Gemini spend across Flash and Pro tiers. Cadence multipliers and the tier trade-off.
- Gemini 2.5 Pro cost calculator
Cost arithmetic for Gemini 2.5 Pro class workloads. Formula, worked example and monthly projection.
Other models and routers
DeepSeek, Mistral, Grok, Llama, Qwen and routing platforms.
- DeepSeek API cost calculator
Budget-tier production traffic estimated from token counts and current per-million rates.
- DeepSeek cost calculator
DeepSeek token cost arithmetic: rates in per million, dollars out. Formula and projection.
- Mistral API cost calculator
Mistral API token cost estimation for a standard workload. Formula and monthly projection.
- Mistral cost calculator
Mistral API token cost arithmetic. Per-million rates, formula and monthly projection.
- Grok API cost calculator
Estimate Grok API costs from input and output token counts. Per-run arithmetic and monthly budgeting.
- Grok cost calculator
Grok API token cost estimation. Input and output sides, formula and monthly projection.
- Llama API cost calculator
Hosted Llama token costs and the self-hosting comparison. Formula, hardware caveat and monthly projection.
- Llama cost calculator
Llama API cost estimation for hosted deployments. Formula, per-million rates and monthly projection.
- Qwen API cost calculator
Open-weight model cost estimation at large scale. Token arithmetic and monthly projection.
- OpenRouter cost calculator
Estimate routing-platform costs per model route. Compare routes before traffic hits them.
By workload
Agents, coding sessions and retrieval pipelines, where the token shape drives the bill.
- AI agent cost calculator
Estimate AI agent costs per task and per month. Why agents multiply calls and how to model the task shape.
- RAG cost calculator
RAG pipeline cost estimation. Why retrieval-heavy workloads are input-heavy and how to project the month.
- Claude code cost calculator
Estimate coding-agent session costs. Why agent workloads are input-heavy and how to project monthly spend.
- Claude code cost estimator
Estimate monthly coding-agent session costs. Session shapes, context weight and projection.
Budgets and estimates
Monthly projections, budgets and ROI built from one measured workload.
- LLM cost estimator
Estimate monthly LLM spend from token counts and per-million rates. The projection formula and what it excludes.
- LLM API cost estimator
Production-scale LLM cost estimation. Large context shapes, monthly projection and where caching pays.
- AI API cost estimator
Estimate AI API spend for a team or a side project. Formula, cadence multipliers and honest exclusions.
- AI API cost estimator
Turn one workload shape into a monthly AI API budget line. Formula, projection and exclusions.
- AI token cost estimator
Estimate AI token costs across input and output sides. The formula, the multiplier effect and a monthly projection.
- LLM monthly cost calculator
Project a monthly LLM bill from per-run costs and daily cadence. Formula, worked numbers and exclusions.
- LLM budget calculator
Work backwards from a monthly budget to the token volume it allows. Formula, headroom and exclusions.
- LLM ROI calculator
Compare LLM token spend against the value a feature returns. The cost side of the ROI formula, honestly bounded.