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Added support for gpt-4 128k #494

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Added support for gpt-4 128k #494

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37 changes: 22 additions & 15 deletions dist/index.js
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34 changes: 22 additions & 12 deletions src/limits.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,18 +6,28 @@ export class TokenLimits {

constructor(model = 'gpt-3.5-turbo') {
this.knowledgeCutOff = '2021-09-01'
if (model === 'gpt-4-32k') {
this.maxTokens = 32600
this.responseTokens = 4000
} else if (model === 'gpt-3.5-turbo-16k') {
this.maxTokens = 16300
this.responseTokens = 3000
} else if (model === 'gpt-4') {
this.maxTokens = 8000
this.responseTokens = 2000
} else {
this.maxTokens = 4000
this.responseTokens = 1000
switch (model) {
case 'gpt-4-1106-preview':
this.maxTokens = 128000
this.responseTokens = 4000
this.knowledgeCutOff = '2023-04-01'
break
case 'gpt-4':
this.maxTokens = 8000
this.responseTokens = 2000
break
case 'gpt-4-32k':
this.maxTokens = 32600
this.responseTokens = 4000
break
case 'gpt-3.5-turbo-16k':
this.maxTokens = 16300
this.responseTokens = 3000
break
default:
this.maxTokens = 4000
this.responseTokens = 1000
break
}
// provide some margin for the request tokens
this.requestTokens = this.maxTokens - this.responseTokens - 100
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