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Stay in the zone. Let the agents stream.

Fluxo relays Claude, GPT, Gemini and more through one key and one base URL, so your editor, terminal and agents never stall on billing, quotas or region locks.

$0.15 of starter credit lands in every new account.

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Six models we reach for while coding

  1. Claude Opus 5.5claude-opus-5-5/v1/messages
    Input$1.66
    Output$7.85
    Cache hit$0.075
  2. Claude Sonnet 5.5claude-sonnet-5-5/v1/messages
    Input$1.08
    Output$5.43
    Cache hit$0.0944
  3. GPT-5.6 Solgpt-5.6-sol/v1
    Input$0.3889
    Output$2.18
    Cache hit$0.0306
  4. GPT-6 Astragpt-6-astra/v1
    Input$0.7431
    Output$3.72
    Cache hit$0.075
  5. Kimi K3kimi-k3/v1
    Input$1.08
    Output$5.43
    Cache hit$0.1083
  6. DeepSeek V4 Prodeepseek-v4-pro/v1
    Input$1.36
    Output$4.08
    Cache hit$0.0458

Prices per 1M tokens. The path under each id is the endpoint that model answers on at api.fluxorelay.com.

Flow passes

A month (or a week) of allowance for a fixed price, drawn at official prices times the pass ratio.

7-day passes

Claude

Claude · 7 days · $450 allowance

$30.28 · 7-day pass

Worth about $173.06 at official prices

Quota pool
$450
Per-week cap
none
Burn ratio
×2.6

$450 of official-price Claude usage over 7 days.

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14-day passes

Claude

Claude · 14 days · $950 allowance ($520 per week)

$63.61 · 14-day pass

Worth about $365.42 at official prices

Quota pool
$950
Per-week cap
$520
Burn ratio
×2.6

$950 of official-price Claude usage over 14 days, at most $520 in any 7-day window.

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GPT · Codex

GPT · 14 days · $1700 allowance ($900 per week)

$34.44 · 14-day pass

Worth about $653.89 at official prices

Quota pool
$1,700
Per-week cap
$900
Burn ratio
×2.6

$1700 of official-price GPT / Codex usage over 14 days, at most $900 in any 7-day window.

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30-day passes

Claude

Claude · 30 days · $2100 allowance ($650 per week)

$131.67 · 30-day pass

Worth about $807.64 at official prices

Quota pool
$2,100
Per-week cap
$650
Burn ratio
×2.6

$2100 of official-price Claude usage over 30 days, at most $650 in any 7-day window.

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GPT · Codex

GPT · 30 days · $3900 allowance ($1150 per week)

$73.33 · 30-day pass

Worth about $1,500.00 at official prices

Quota pool
$3,900
Per-week cap
$1,150
Burn ratio
×2.6

$3900 of official-price GPT / Codex usage over 30 days, at most $1150 in any 7-day window.

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How passes are metered
  1. Allowance is counted in official USD: every call draws its official price times the pass ratio.
  2. A Claude pass covers Claude models only; a GPT pass covers GPT and Codex models only. Every other model family runs on pay-as-you-go credit.
  3. Starting a pass creates a dedicated key for it. That key never touches your credit: once the pass is used up its calls stop with HTTP 402 until another pass is active.
  4. A weekly cap resets 7 days after the first draw that follows the previous reset, not on calendar weeks.
  5. Unused allowance expires with the pass and never rolls over. Each purchase is its own pass, and passes stack.

One config file is all Codex needs

Save this as ~/.codex/config.toml, export FLUXO_API_KEY with a key from your dashboard, then start codex in any repository.

.codex/config.toml

# ~/.codex/config.toml  (Codex CLI and the Codex IDE extension both read it)
model = "gpt-5.6-sol"        # or any other GPT id from the Fluxo price list
model_provider = "fluxo"

[model_providers.fluxo]
name = "Fluxo relay"
base_url = "https://api.fluxorelay.com/v1"
env_key = "FLUXO_API_KEY"   # export FLUXO_API_KEY=flx_... before launching codex
wire_api = "responses"       # Fluxo passes /v1/responses straight through