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Tencent CloudChathy4-preview

Hy4 Preview API

Input
$0.834per 1M tokens
Output
$2.501per 1M tokens
Cached input
$0.042per 1M tokens
Context
1M
No gateway feesPay-as-you-go only

Hy4 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Explore Hy4 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.

  • OpenAI-style Chat Completions
  • Anthropic-style Messages
  • OpenAI-style Responses
Get your API keyTry in playgroundCompare models

Model details

Context window
1M tokens
Max output
66K tokens
Input
Text
Output
Text
Capabilities
Reasoning, Tool calling, Streaming, JSON output
Interfaces
OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Hy4 Preview API pricing

Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.

Hy4 Preview pricing.
MetricPrice
Input$0.834
Cached input$0.042
Output$2.501

What Hy4 Preview costs for real work

Typical workloads at list price, worked out from the rates above. Nothing is added on top.

WorkloadTokensCost
1,000 chat replies1,500 tokens in, 400 out, each$2.25
Summarise a 100-page document60K tokens in, 2K out$0.055
10M tokens of coding-agent work10M tokens: 85% cached input, 12% fresh input, 3% output$2.11
1M output tokensGenerated text only$2.50

Hy4 Preview is pay-as-you-go only

Hy4 Preview is not included in Token Plans. Call it from a pay-as-you-go balance at the list price above, with no gateway fee.

Why teams pick it

  • Hy4 Preview for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call Hy4 Preview

Hy4 Preview answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "hy4-preview",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "hy4-preview",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "hy4-preview",
  "input": "Hello"
}'

Conversation compaction is also available at POST /v1/responses/compact.

Use Hy4 Preview in your tools

Every coding agent below has a setup guide. Set the model to hy4-preview.

Run Hy4 Preview in Claude Code

More from Tencent Cloud

Hy Image 3.5 PreviewHy Image 3.5 Preview for OpenAI-style Image Generation, Image editing, OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.$0.032 / imageHy-MT2 PlusHy-MT2 Plus for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.$0.074 in · $0.295 outHy3Hy3 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.$0.14 in · $0.58 out

Alternatives to Hy4 Preview

Questions about this model

How much does the Hy4 Preview API cost?
Hy4 Preview costs $0.834 per 1M input tokens and $2.501 per 1M output tokens on Inferray, and cached input is $0.042 per 1M. That is the list price, with no gateway fee on top.
Is there a free tier for Hy4 Preview?
No. You add credit and pay Hy4 Preview's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.
Am I charged for failed requests?
No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.
Is Hy4 Preview included in Token Plans?
No. Hy4 Preview is pay-as-you-go only; Token Plans cover the other text models in the catalog.
Can I use Hy4 Preview in Claude Code?
Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to hy4-preview. The same key works in Codex, opencode, Cline, and other agents.
Does Hy4 Preview support tool calling and vision?
Hy4 Preview supports tool calling, reasoning, JSON output and streaming on Inferray. It does not take image input.
Is it the real Hy4 Preview?
Yes. A request for hy4-preview is answered by Hy4 Preview from Tencent Cloud, billed at its published list price. Inferray never substitutes a different or smaller model.

Prices from the catalog as of November 12, 2026.