Use DeepSeek with Claude Code

$0.3/Mtok in

The cheapest way to run long agent sessions: DeepSeek's commodity token prices under Claude Code's agent loop. Ideal for bulk refactors and test generation where volume dwarfs per-token quality differences.

Facts

At a glance

Model

DeepSeek V4

deepseek/deepseek-v4

Price

$0.3 / M input · $0.9 / M output

Context window

128k tokens

Tool

Claude Code

Setup below — under two minutes

Quickstart

Set up DeepSeek in Claude Code

  1. 1

    Point Claude Code at CompanyFabric:

    export ANTHROPIC_BASE_URL="https://api.companyfabric.com"
    export ANTHROPIC_API_KEY="$COMPANYFABRIC_API_KEY"
  2. 2

    Start a session on this model:

    claude --model deepseek/deepseek-v4
  3. 3

    Every turn's exact cost lands in your dashboard usage feed — set a per-key budget cap if the agent runs unattended.

Full tool guide: Use any model with Claude Code

FAQ

Frequently asked questions

Do I need a DeepSeek account to use DeepSeek in Claude Code?

No — one CompanyFabric key covers DeepSeek V4 and every other model in the library. Billing is one prepaid balance with exact per-call metering; BYOK at 0% is available if you already have provider keys.

What does DeepSeek V4 cost in Claude Code?

$0.3 / M input · $0.9 / M output — the same metered price as any other route to the model. Set a per-key budget cap to bound what the tool can spend.

Can I switch models later without touching Claude Code again?

Yes — the endpoint stays the same; the model is a string. Any catalog id works in the same configuration, including cheaper tiers for bulk work.

Explore

Related setups

One key. Every model. Exact prices.

Run DeepSeek in Claude Code with free starter credits. Free starter credits included — no subscription required.