All files / api/src/ai-providers/openai model-capabilities.ts

100% Statements 133/133
100% Branches 0/0
100% Functions 0/0
100% Lines 133/133

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155            1x       1x 1x   1x 1x         1x 1x 1x 1x 1x 1x   1x     1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x   1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x   1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x   1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x   1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x  
/**
 * OpenAI model capabilities configuration.
 *
 * Defines which parameters are supported by different OpenAI models.
 */
 
import {
  ModelParameter,
  type ProviderModelCapabilities,
} from '@shared/types/ai-providers/model-capabilities';
import { FunctionName } from '@shared/types/api/request';
import { AIProvider } from '@shared/types/constants';
 
export const openAIModelCapabilities: ProviderModelCapabilities = {
  provider: AIProvider.OPENAI,
 
  // Default parameter ranges for OpenAI models (applies to all models unless overridden)
  // Source: https://platform.openai.com/docs/api-reference/chat/create
  // Temperature: 0-2, Top_p: 0-1, Frequency/Presence penalties: -2 to 2
  defaultParameterRanges: {
    temperature: { min: 0, max: 2 },
    top_p: { min: 0, max: 1 },
    frequency_penalty: { min: -2, max: 2 },
    presence_penalty: { min: -2, max: 2 },
  },
 
  models: [
    // GPT-5 models (reasoning models)
    // Support reasoning_effort: minimal, low, medium, high
    {
      modelPattern: /^(gpt-5|gpt-5-mini|gpt-5-nano)$/,
      endpointConfigs: {
        [FunctionName.CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
        [FunctionName.STREAM_CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
      },
    },
    // o1 models
    {
      modelPattern: /^o1(-preview|-mini)?$/,
      endpointConfigs: {
        [FunctionName.CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.FREQUENCY_PENALTY,
            ModelParameter.PRESENCE_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
        [FunctionName.STREAM_CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.FREQUENCY_PENALTY,
            ModelParameter.PRESENCE_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
      },
    },
    // o3 models
    {
      modelPattern: /^o3(-mini)?$/,
      endpointConfigs: {
        [FunctionName.CHAT_COMPLETE]: {
          supportedParameters: [
            ModelParameter.MAX_COMPLETION_TOKENS,
            ModelParameter.REASONING_EFFORT,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
        [FunctionName.STREAM_CHAT_COMPLETE]: {
          supportedParameters: [
            ModelParameter.MAX_COMPLETION_TOKENS,
            ModelParameter.REASONING_EFFORT,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
      },
    },
    // o4-mini (temperature only supports default value, uses max_completion_tokens)
    {
      modelPattern: 'o4-mini',
      endpointConfigs: {
        [FunctionName.CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
        [FunctionName.STREAM_CHAT_COMPLETE]: {
          unsupportedParameters: [
            ModelParameter.TEMPERATURE,
            ModelParameter.TOP_P,
            ModelParameter.PRESENCE_PENALTY,
            ModelParameter.FREQUENCY_PENALTY,
          ],
          legacyParameterMapping: {
            [ModelParameter.MAX_TOKENS]: ModelParameter.MAX_COMPLETION_TOKENS,
          },
        },
      },
    },
    // GPT-4o and GPT-4o-mini (no reasoning_effort support)
    {
      modelPattern: /^gpt-4o(-mini)?$/,
      endpointConfigs: {
        [FunctionName.CHAT_COMPLETE]: {
          unsupportedParameters: [ModelParameter.REASONING_EFFORT],
        },
        [FunctionName.STREAM_CHAT_COMPLETE]: {
          unsupportedParameters: [ModelParameter.REASONING_EFFORT],
        },
      },
    },
  ],
};