Usage and Cost

Track estimated Claude Code session cost and model mix locally. Then view Fireworks model usage by model, user, or API key and Fireworks account cost by model.

View	Shows	Open it
Claude Code status line	Live estimated session cost, model mix, cache share	Connect with nexus claude
Session meter	Requests and estimated cost for one Claude Code session	nexus claude usage
Usage dashboard	Fireworks model usage by model, user, or API key	Account usage
Spend Limits	Current-period spend on supported Fireworks serverless models against each user’s cap	Spend Limits

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Track one Claude Code session

nexus claude adds a status line with the estimated session cost and which models served it. An existing status line is not replaced.

Session cost, model mix, and cache share in Claude Code

The session meter only works for Claude Code, on the machine where the session ran.

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Inspect a session

Run nexus claude usage, choose a session, and open its live meter. It shows model choices, tokens, and estimated cost per request. Press q to quit.

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Break down Fireworks usage and cost

The usage dashboard breaks down Fireworks traffic by model, user, or API key. The Cost view groups Fireworks account spend by model.

Account cost by model. Names and amounts are illustrative.

The dashboard covers Fireworks model usage and cost only. It doesn’t include usage billed by closed-model providers.

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Know which number you are reading

• Status line and session meter: a local estimate from token counts and published model rates.
• Claude Code’s built-in HUD: Anthropic list prices.
• Usage dashboard: Fireworks model usage and cost for the selected range.
• Billing page: the source of truth for your Fireworks invoice.