TopxAI · Model prices · DeepSeek
DeepSeek V4.1 Flash API pricing
Model id deepseek-flash. $0.12 input / $0.48 output per 1M tokens on the lowest-priced route; every route is listed below. Prices are fixed in USD, charged from prepaid credit, and every request writes one usage-log row with the route and the charge.
DeepSeek-V4.1-Flash (deepseek-flash): DeepSeek's fast text and vision model with a 1M-token context and up to 384K output tokens, served on one official line at 80% of the DeepSeek list price. The provider's peak hours (01:00-04:00 and 06:00-10:00 UTC, Monday to Friday, outside Chinese public holidays) bill at twice the off-peak lanes.
Prices by route
| Route | Input (USD / 1M tokens) | Output (USD / 1M tokens) | Cache read (USD / 1M tokens) | Cache write (USD / 1M tokens) | Cache write (1h) (USD / 1M tokens) |
| Provider list price (checked 2026-09-22) | $0.15 | $0.6 | $0.003 | — | — |
| Official line | $0.12 | $0.48 | $0.0024 | $0.12 | $0.12 |
Input, output and cache lanes bill per million tokens. A whole-request long-context row applies once the input context of a request reaches the threshold shown. An Auto-route key sends each request to the lowest-priced route that serves the model.
Endpoints
POST /v1/chat/completions: OpenAI Chat Completions (Bearer)
Call deepseek-flash
Base URL https://ai.topxea.com/v1 for OpenAI-style SDKs, https://ai.topxea.com for the Anthropic SDK; the API key goes where the provider's key would go.
curl https://ai.topxea.com/v1/chat/completions \
-H "Authorization: Bearer $TOPXAI_API_KEY" \
-H "content-type: application/json" \
-d '{"model": "deepseek-flash", "messages": [{"role": "user", "content": "Say hello in one sentence."}]}'
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