RelayX

Pay only for what you use.

Per-token, per-character, per-second. No subscription, no minimums.

All prices already include RelayX margin (10% on LLM/embeddings/ASR, 5% on TTS).

Chat (LLM)

LLM
ModelInputOutputCache read
deepseek/deepseek-v4-flash$0.17/ 1M tokens$0.34/ 1M tokens$0.003/ 1M tokens
deepseek/deepseek-v4-pro$0.53/ 1M tokens$1.05/ 1M tokens$0.005/ 1M tokens
anthropic/claude-4-7-sonnet$3.30/ 1M tokens$16.50/ 1M tokens$0.330/ 1M tokens
anthropic/claude-4-7-opus$5.50/ 1M tokens$27.50/ 1M tokens$0.550/ 1M tokens
openai/gpt-5$1.38/ 1M tokens$11.00/ 1M tokens$0.138/ 1M tokens
openai/gpt-5-mini$0.28/ 1M tokens$2.20/ 1M tokens$0.028/ 1M tokens
google/gemini-3-pro$1.38/ 1M tokens$11.00/ 1M tokens—
qwen/qwen3-max$0.42/ 1M tokens$1.67/ 1M tokens—
openai/gpt-4.1$2.20/ 1M tokens$8.80/ 1M tokens—
openai/gpt-4.1-mini$0.44/ 1M tokens$1.76/ 1M tokens—
openai/gpt-4.1-nano$0.11/ 1M tokens$0.44/ 1M tokens—
openai/gpt-5-nano$0.06/ 1M tokens$0.44/ 1M tokens—
openai/gpt-5-codex$1.38/ 1M tokens$11.00/ 1M tokens—
openai/o4-mini$1.21/ 1M tokens$4.84/ 1M tokens—
google/gemini-3-flash$0.33/ 1M tokens$2.75/ 1M tokens—
google/gemini-3-flash-lite$0.28/ 1M tokens$1.65/ 1M tokens—
xai/grok-4-fast$0.22/ 1M tokens$0.55/ 1M tokens—
moonshot/kimi-k2$0.61/ 1M tokens$2.42/ 1M tokens—
zai/glm-4-6$0.07/ 1M tokens$0.24/ 1M tokens$0.012/ 1M tokens
alibaba/qwen3-coder-plus$0.59/ 1M tokens$2.38/ 1M tokens$0.119/ 1M tokens
qwen/qwen3-vl-flash$0.02/ 1M tokens$0.23/ 1M tokens$0.005/ 1M tokens
qwen/qwen3-vl-plus$0.15/ 1M tokens$1.51/ 1M tokens$0.030/ 1M tokens
minimax/m2$0.11/ 1M tokens$0.11/ 1M tokens—

Embeddings

EMBED
ModelDescriptionInput
dashscope/text-embedding-v4Qwen3-Embedding family — Chinese-first dense text embeddings$0.077/ 1M tokens

Speech (TTS)

TTS
ModelPer 1M chars
vox/index-tts-2$1.575/ 1M chars
vox/voice-clone-v1$1.575/ 1M chars
minimax/speech-2.6-hd$52.500/ 1M chars

Transcribe (ASR)

ASR
ModelPer minute
alibaba/paraformer-v2$0.0319/ minute

Images

IMAGE
ModelDescriptionPer image
rx-image-fluxFlux — high quality, balanced speed$0.003/ image
rx-image-qwenQwen-image — strong on Chinese prompts$0.002/ image
rx-image-zZ-image — premium aesthetic$0.003/ image
rx-image-z-proZ-image (DashScope direct) — reliable, low-latency premium tier$0.014/ image
rx-image-qwen-editQwen-Image-Edit — reference-image conditioned generation (0–3 refs)$0.014/ image

Video

VIDEO
ModelDescriptionPer second
rx-video-ltxLTX-2.3 — fastest image-to-video, 720p-friendly$0.020/ second
rx-video-wanWan2.2-Lightning — higher-quality image-to-video$0.030/ second

How billing works

  1. 01

    Top up your balance

    Contact us on WeChat for now (Stripe coming once we incorporate).

  2. 02

    Call the API

    Each request is charged to your balance at the rates above.

  3. 03

    See it on the dashboard

    Per-call usage + cost is itemized in real time.

Open dashboard →