AI Model Comparison Calculator
AI model comparison for GPT vs Claude cost, context window, and speed with input/output token estimates.
Calculate
Result
Comparison SummaryiQuick decision view with cheaper model and savings rate.
Cheaper Model: gpt-5-mini
Savings: %52
gpt-5-mini
vs
claude-sonnet-4.5
Cost / RequestiEstimated cost for one request with current token inputs.
%2
$0.0162
VS
← %2
$0.0340
Monthly CostiEstimated total cost based on monthly request count.
%52
$1.62
VS
← %52
$3.40
Context WindowiMaximum context size each model can process.
%0
200,000
VS
• %0
200,000
Speed ScoreiRelative response speed score from model tier.
%22
90
VS
← %22
70
Total ScoreiCombined heuristic score from cost, context, and speed.
%6
77
VS
← %6
72
Pricing Last UpdatediDate when pricing assumptions were last refreshed.Copy
2026-02-21
Raw JSON (technical)
{
"inputTokens": 5000,
"outputTokens": 1000,
"monthlyRequests": 100,
"lastUpdated": "2026-02-21",
"modelA": {
"id": "gpt-5-mini",
"provider": "OpenAI",
"contextWindow": 200000,
"speedTier": "fast",
"speedScore": 90,
"pricing": {
"inputPer1M": 1.8,
"outputPer1M": 7.2
},
"estimatedCostPerRequest": 0.0162,
"estimatedMonthlyCost": 1.62,
"totalScore": 77
},
"modelB": {
"id": "claude-sonnet-4.5",
"provider": "Anthropic",
"contextWindow": 200000,
"speedTier": "balanced",
"speedScore": 70,
"pricing": {
"inputPer1M": 3.8,
"outputPer1M": 15
},
"estimatedCostPerRequest": 0.034,
"estimatedMonthlyCost": 3.4,
"totalScore": 72
},
"summary": {
"cheaperModel": "gpt-5-mini",
"costDifferencePerRequest": 0.0178,
"monthlyDifference": 1.78,
"savingsPctAgainstExpensive": 52,
"betterOverallModel": "gpt-5-mini"
}
}Estimates only. Verify pricing on official provider pages.
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Step 1
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Step 2
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Step 3
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