Amux
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Tencent: Hy4 Preview

Active

Tencent: Hy4 Preview is a hybrid expert (MoE) model launched by Tencent, with a total parameter size of 770B and an activation parameter size of 49B. It is designed for coding agents, complex tool usage workflows, and productivity tasks that require planning, contextual continuity, and sustained multi-step execution.

Input:
Output:
Context length:
1.05M
Max output:
64K
Published:
2026-08-28
toolsreasoningstructuredOutputstreamingcaching

Providers

Same model, different providers. Automatic routing picks the cheapest healthy one within the same quality tier.

Provider
35% offtencent-cloud—$0.834$0.5421/1M tokens$2.501$1.6257/1M tokens
Read$0.042$0.0273/1M tokensWrite—
1.05M——

Availability

7 days

Success rate of the requests Amux actually sent to each provider. Client errors are excluded from the denominator — a malformed request isn't the provider's fault.

Throughput

7 days

Average output speed on streaming requests, in tokens per second (TPS).

Latency

7 days

Average time to first token (TTFT) on streaming requests — how long from sending a request to receiving its first token.

Activity

7 days

Token usage and cost for this model over time, split by the provider that served each request.

Related models

More models from Tencent

Tencent: Hy3262K contextfrom $0.0858 / M tokens1 providerTencent: Hy3 is a hybrid expert model launched by Tencent with 770 billion total parameters, of which 49 billion are activation parameters. It is designed for coding agents, complex tool usage workflows, and productivity tasks that require planning, contextual continuity, and sustained multi-step execution.