Provider Sources and Price Keys

Official Pricing Sources

Always fetch pricing from the provider's official docs before editing.

Provider	Source
Anthropic Claude	`https://platform.claude.com/docs/en/about-claude/pricing`
OpenAI	`https://openai.com/api/pricing/`
Google Gemini	`https://ai.google.dev/pricing`
AWS Bedrock	`https://aws.amazon.com/bedrock/pricing/`
Azure OpenAI	`https://azure.microsoft.com/pricing/details/cognitive-services/openai-service/`

Capture:

Base input token price per million tokens
Output token price per million tokens
Cache write price when supported
Cache read price when supported
Any long-context or conditional pricing
All model ID variants that Langfuse should match

Price Conversion

Values in default-model-prices.json are per token, not per million tokens.

Provider Price	JSON Value
`$5 / MTok`	`5e-6`
`$25 / MTok`	`25e-6`
`$0.50 / MTok`	`0.5e-6`
`$6.25 / MTok`	`6.25e-6`

Formula:

text

price_per_token = price_per_mtok / 1_000_000

Common Price Keys by Provider

Anthropic Claude

json

{
  "input": "<base_input_price>",
  "input_tokens": "<base_input_price>",
  "output": "<output_price>",
  "output_tokens": "<output_price>",
  "cache_creation_input_tokens": "<cache_write_price>",
  "input_cache_creation": "<cache_write_price>",
  "cache_read_input_tokens": "<cache_read_price>",
  "input_cache_read": "<cache_read_price>"
}

OpenAI

json

{
  "input": "<input_price>",
  "input_cached_tokens": "<cached_input_price>",
  "input_cache_read": "<cached_input_price>",
  "output": "<output_price>"
}

Google Gemini

json

{
  "input": "<input_price>",
  "input_modality_1": "<input_price>",
  "prompt_token_count": "<input_price>",
  "promptTokenCount": "<input_price>",
  "input_cached_tokens": "<cached_price>",
  "cached_content_token_count": "<cached_price>",
  "output": "<output_price>",
  "output_modality_1": "<output_price>",
  "candidates_token_count": "<output_price>",
  "candidatesTokenCount": "<output_price>"
}