GPT at a fraction
of the official price
GPT is great.
The bills are brutal.
Official GPT APIs charge by the dollar — one overnight agent run costs as much as a nice dinner. Flatrouter pools GPT subscription capacity at scale, then bills at official model prices times a platform billing factor, with no stacked hidden multipliers. Same GPT interface, same streaming and tool calls.
With Flatrouter, from just ¥19.9 a month.
01Cheaper GPT API
From 10% of
the official price
Official APIs meter every request at list price — $1 of usage costs $1. On Flatrouter, the same models and the same usage are billed at official prices × platform billing factor, so across Starter to Ultra, each $1 of official usage costs about ¥0.45–0.58 — over 90% off.
GPT-6 · per $1 of official usage
Starter–Ultra effective rate, from billing credit ÷ 7
02Smart node routing
Multi-account pools,
routed to the best node
Requests spread across GPT account pools in multiple regions, scheduled by live health scores. When a node gets rate-limited it's instantly circuit-broken and cooled down while traffic shifts to the next healthy one — your agent runs till dawn without dying on a 3 a.m. 429.
Routing log · live
14:02:11POST /chat/completions→ pool-us-03
14:02:13POST /v1/responses→ pool-us-01
14:02:14429 rate limitedpool-us-03 cooling 60s
14:02:14POST /chat/completions→ pool-eu-02
14:02:16POST /v1/responses→ pool-eu-02
03Easy to use
Migrate in
two lines
Fully compatible with the official OpenAI protocol, no lossy translation: streaming, tool calls, and vision all work as-is. Codex, Cursor, or your own code — point the base_url here and you're migrated. Switch back anytime.
Migration · two lines
# Codex / Cursor / any SDK
export OPENAI_BASE_URL=\
https://api.flatrouter.com/v1
export OPENAI_API_KEY=\
sk-flatrouter-****Pricing, laid out in the open
Effective input cost per 1M tokens on the Advanced plan. Usage is billed at official model prices times the platform billing factor — no stacked hidden multipliers.
| Model | Official | Flatrouter | That's |
|---|---|---|---|
| GPT-6 Astra | $10.00 | $0.76 | |
| GPT-6 Sol | $2.00 | $0.152 | |
| GPT-6 Luna | $0.10 | $0.008 | |
| GPT-5.6 Sol | $5.00 | $0.38 | |
| GPT-5.6 Terra | $2.00 | $0.152 | |
| GPT-5.6 Luna | $0.20 | $0.015 | |
| GPT Image 2.5 | — | ¥0.05/ image | |
| Claude Opus 5 | — | — | |
| Claude Sonnet 5 | — | — |
GPT-6 (Astra / Sol / Luna) and GPT-5.6 figures use the Advanced plan effective rate. GPT Image 2.5 (Flare / Sunburst) and GPT Image 2 are billed per image, any resolution. Full list in the console.
Monthly GPT plans
Billed at official model prices times the platform billing factor — no stacked hidden multipliers. Credit is a prepaid billing allowance for a 30-day term; buy any plan again before it ends and the unused credit rolls into the new term.
Trial
¥19.9
¥19.9 → ¥700 credit · new users, one-time
30-day term · buy again before expiry to roll unused credit into a fresh term
Claim trialStarter
¥99/mo
For side projects and a first taste.
30-day term · buy again before expiry to roll unused credit into a fresh term
Get startedStandard
¥299/mo
Daily driver for solo builders.
30-day term · buy again before expiry to roll unused credit into a fresh term
Get startedPro
¥999/mo
Agents running around the clock.
30-day term · buy again before expiry to roll unused credit into a fresh term
Get startedUltra
¥1,999/mo
Highest GPT pool allowance.
30-day term · buy again before expiry to roll unused credit into a fresh term
Get startedNeed more than Ultra? Volume deals for teams — talk to us.
Prices are in CNY; Stripe charges the equivalent amount in USD at checkout. Your card issuer may apply a different rate and may charge foreign-transaction fees. Plan credit is a prepaid billing allowance for API usage on Flatrouter — it is not cash, cannot be withdrawn or transferred. Buying any plan before the term ends adds its credit to your unused balance and restarts the term; credit still unused when the term expires is forfeited. Usage is metered at official model prices times the platform billing factor shown above.
