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Add API cost tracking to admin dashboard

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Track estimated Anthropic API costs per request across all Claude API
call sites (recommender, analyze, artist-dive, generate-playlist, crate,
rabbit-hole, playlist-fix, timeline, compatibility). Log token usage and
estimated cost to the app logger. Aggregate costs in admin stats endpoint
and display total/today costs and token usage in the admin dashboard.
This commit is contained in:
root
2026-03-31 20:51:51 -05:00
parent 0ee8f9a144
commit f2b8dadbf8
7 changed files with 104 additions and 3 deletions
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24
backend/app/api/endpoints/recommendations.py
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@@ -250,6 +250,12 @@ Return ONLY the JSON object."""
messages=[{"role": "user", "content": prompt}],
)
# Track API cost (Haiku: $0.80/M input, $4/M output)
input_tokens = message.usage.input_tokens
output_tokens = message.usage.output_tokens
cost = (input_tokens * 0.80 / 1_000_000) + (output_tokens * 4 / 1_000_000)
api_logger.info(f"API_COST|model=claude-haiku|input={input_tokens}|output={output_tokens}|cost=${cost:.4f}|user={user.id}|endpoint=artist_dive")
response_text = message.content[0].text.strip()
if response_text.startswith("```"):
response_text = response_text.split("\n", 1)[1]
@@ -346,6 +352,12 @@ Return ONLY the JSON object."""
messages=[{"role": "user", "content": prompt}],
)
# Track API cost (Haiku: $0.80/M input, $4/M output)
input_tokens = message.usage.input_tokens
output_tokens = message.usage.output_tokens
cost = (input_tokens * 0.80 / 1_000_000) + (output_tokens * 4 / 1_000_000)
api_logger.info(f"API_COST|model=claude-haiku|input={input_tokens}|output={output_tokens}|cost=${cost:.4f}|user={user.id}|endpoint=generate_playlist")
response_text = message.content[0].text.strip()
if response_text.startswith("```"):
response_text = response_text.split("\n", 1)[1]
@@ -464,6 +476,12 @@ Only recommend real songs. Return ONLY the JSON array."""
messages=[{"role": "user", "content": prompt}],
)
# Track API cost (Haiku: $0.80/M input, $4/M output)
input_tokens = message.usage.input_tokens
output_tokens = message.usage.output_tokens
cost = (input_tokens * 0.80 / 1_000_000) + (output_tokens * 4 / 1_000_000)
api_logger.info(f"API_COST|model=claude-haiku|input={input_tokens}|output={output_tokens}|cost=${cost:.4f}|user={user.id}|endpoint=crate")
response_text = message.content[0].text.strip()
if response_text.startswith("```"):
response_text = response_text.split("\n", 1)[1]
@@ -598,6 +616,12 @@ Only use real songs. Return ONLY the JSON."""
messages=[{"role": "user", "content": prompt}],
)
# Track API cost (Haiku: $0.80/M input, $4/M output)
input_tokens = message.usage.input_tokens
output_tokens = message.usage.output_tokens
cost = (input_tokens * 0.80 / 1_000_000) + (output_tokens * 4 / 1_000_000)
api_logger.info(f"API_COST|model=claude-haiku|input={input_tokens}|output={output_tokens}|cost=${cost:.4f}|user={user.id}|endpoint=rabbit_hole")
response_text = message.content[0].text.strip()
if response_text.startswith("```"):
response_text = response_text.split("\n", 1)[1]