Hy4 preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that require planning, context continuity, and sustained multi-step execution.

tencent/hy4-preview
Organization
tencent
Family
Hy
Providers
19
Context
1,024,000
Output limit
64,000
Knowledge
—
Release
2026-08-28
Updated
—
Weights
Open
Input
text
Output
text
Capabilities
—

Providers

Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.

23 offers · USD per million tokens
ProviderModel IDContextOutputInput / output · 1MReasoningToolsStructuredDetails
AIHubMix
hy4-preview
1,024,00064,000— / ————
View
AI/ML API
tencent/hy4-preview
1,048,57664,000— / ————
View
CommandCode
tencent/hy4-preview
1,024,00064,000— / ————
View
CrossModel
tencent/hy4-preview
1,048,57665,536— / ————
View
Deep Infra
tencent/Hy4-preview
1,048,57664,000— / ————
View
DevPass (LLM Gateway)
hy4-preview
1,000,00064,000— / ————
View
Eden AI
tencent/hy4-preview
1,000,00064,000— / ————
View
Eden AI
deepinfra/tencent/Hy4-preview
1,048,57664,000— / ————
View
Hugging Face
tencent/Hy4-preview
1,000,00064,000— / ————
View
Kilo Gateway
tencent/hy4-preview
1,048,57664,000— / ————
View
LLM Gateway
tencent/hy4-preview
1,000,00065,536— / ————
View
NanoGPT
tencent/hy4-preview
1,048,57664,000— / ————
View
Novita AI
tencent/hy4-preview
1,000,00064,000— / ————
View
OpenCode Go
hy4-preview
1,024,00064,000— / ————
View
DeepInfravia OpenRouter
tencent/hy4-preview
fp8
1,048,576131,072$0.834 / $2.501YesYesYes
View
Novitavia OpenRouter
tencent/hy4-preview
fp8
1,000,00064,000$0.834 / $2.501YesYesYes
View
SiliconFlowvia OpenRouter
tencent/hy4-preview
fp8
1,048,576262,144$0.834 / $2.501YesYesYes
View
Tencentvia OpenRouter
tencent/hy4-preview
fp8
1,048,57664,000$0.834 / $2.501YesYesYes
View
Tencent TokenHub
hy4-preview
1,024,00064,000— / ————
View
Tencent Token Plan
hy4-preview
1,024,00064,000— / ————
View
Vancine
hy4-preview
1,024,00064,000— / ————
View
Venice AI
hy4-preview
1,048,57664,000— / ————
View
Vercel AI Gateway
tencent/hy4-preview
1,024,00064,000— / ————
View

Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.

Pricing

Compare token rates and cache charges across available routes and hosting configurations.

USD per million tokens
Input from$0.834Per 1M input tokens
Output from$2.501Per 1M output tokens
Available offers23Across 19 providers

Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.

Endpoint price comparisonLatest observed snapshot · 4 lowest-priced configurations
InputOutput
DeepInfradeepinfra/fp8
$0.834$2.501
Novitanovita/fp8
$0.834$2.501
SiliconFlowsiliconflow/fp8
$0.834$2.501
Tencenttencent/fp8
$0.834$2.501
tencent/hy4-previewObserved
Input
$0.834
Output
$2.501
Cache read
$0.042
Additional fees and pricing conditions

overrides · USD per token for token prices; time windows use UTC.

[
  {
    "prompt": "0.000000834",
    "utc_end": 1600,
    "utc_start": 0,
    "completion": "0.000002501",
    "input_cache_read": "0.000000042"
  },
  {
    "prompt": "0.0000007506",
    "utc_end": 0,
    "utc_start": 1600,
    "completion": "0.0000022509",
    "input_cache_read": "0.0000000378"
  }
]
Hosting prices through OpenRouter All endpoints and cache rates
EndpointInput / 1MOutput / 1MCache read / 1MCache write / 1M
DeepInfradeepinfra/fp8$0.834$2.501$0.042—
Novitanovita/fp8$0.834$2.501$0.042—
SiliconFlowsiliconflow/fp8$0.834$2.501$0.042—
Tencenttencent/fp8$0.834$2.501$0.042—

Each row is a hosting configuration. Open an offer in Providers for its full pricing conditions and additional fees. Endpoint observations may differ from the routing catalog's base price.

Performance

Review reported latency and output-throughput percentiles from the latest observed rolling window.

Latest 30-minute observation

Time to first token · milliseconds

Latency distributionRolling 30-minute snapshot · 4 endpoints
P50P75P90P99
DeepInfradeepinfra/fp8
5,347–27,645.48 ms
Novitanovita/fp8
5,232–20,172.66 ms
SiliconFlowsiliconflow/fp8
1,813.5–23,320.26 ms
Tencenttencent/fp8
4,036–13,182.34 ms
All latency percentiles 4 endpoints
EndpointP50P75P90P99
DeepInfradeepinfra/fp85,347 ms8,776 ms14,343.2 ms27,645.48 ms
Novitanovita/fp85,232 ms6,041 ms6,982.8 ms20,172.66 ms
SiliconFlowsiliconflow/fp81,813.5 ms2,216 ms3,361.1 ms23,320.26 ms
Tencenttencent/fp84,036 ms4,804.25 ms6,037.5 ms13,182.34 ms

Output throughput · tokens per second

Throughput distributionRolling 30-minute snapshot · 4 endpoints
P50P75P90P99
DeepInfradeepinfra/fp8
11–29.59 t/s
Novitanovita/fp8
31–91.11 t/s
SiliconFlowsiliconflow/fp8
37–56 t/s
Tencenttencent/fp8
47–92.09 t/s
All throughput percentiles 4 endpoints
EndpointP50P75P90P99
DeepInfradeepinfra/fp811 t/s17 t/s24 t/s29.59 t/s
Novitanovita/fp831 t/s46 t/s64 t/s91.11 t/s
SiliconFlowsiliconflow/fp837 t/s43 t/s48 t/s56 t/s
Tencenttencent/fp847 t/s60 t/s73 t/s92.09 t/s

Percentiles describe the observed request distribution. These are snapshots of a rolling window, not a historical time series.

Uptime

Compare successful request rates across the latest 5-minute, 30-minute, and 24-hour observations.

Successful requests by window
Availability by endpointCurrent overlapping windows · 4 endpoints
Endpoint5 minutes30 minutes24 hours
DeepInfradeepinfra/fp8
Novitanovita/fp8
SiliconFlowsiliconflow/fp8
Tencenttencent/fp8

Reported by OpenRouter at the time of collection; rate-limited requests are excluded. A dash means no measurement was reported. This is not a live availability check.

Benchmarks

Review attributed evaluation results on each source's original scale.

External evaluations

Sources: Artificial Analysis and Design Arena, via OpenRouter. Scores retain their original scales and are not OpenAI Suite ratings.

Detailed evaluations

Evaluation scoresAccuracy or item F1 · higher is better
gpqa diamondTencent: Hy4 preview
90.236%
tau bench verified airlineTencent: Hy4 preview
76.222%
EvaluationConfigurationSourceResultsDetails
gpqa diamondTencent: Hy4 previewtencent/hy4-preview-20260827OpenRouter90.236%
Details
tau bench verified airlineTencent: Hy4 previewtencent/hy4-preview-20260827OpenRouter76.222%
Details

Sources: Artificial Analysis, Design Arena and OpenRouter. Evaluation configurations and scales differ; results are not interchangeable. Updated Oct 24, 2026.

Apps & session costs

Compare observed median session costs for applications using this model, grouped by conversation length.

30-day sample · through Oct 18, 2026
ApplicationModel routeTurnsMedian cost / sessionDetails
Hermes Agenttencent/hy4-preview-202608272–9 turns
$0.027266
Details
Claude Codetencent/hy4-preview-2026082710–49 turns
$0.250315
Details
Hermes Agenttencent/hy4-preview-2026082750+ turns
$0.814753
Details
Hermes Agenttencent/hy4-preview-2026082710–49 turns
$0.182374
Details

Source: OpenRouter, as of Oct 20, 2026. Published under CC BY 4.0. These are observed costs per session, not token prices or a forecast for your workload. Apps are compared separately.

Activity

Daily prompt and completion tokens reported for this model's routes in OpenRouter's top 50. Missing days have no published value.

Last 90 complete UTC days
Daily token usage86,075,987,375,424 reported tokens · 57 days with observations
Jul 26, 2026Oct 23, 2026
Daily observations · 57 days
Date (UTC)Reported tokensReported routes
Oct 23, 20261,345,210,358,1091
Oct 22, 20261,458,128,550,8521
Oct 21, 20261,462,587,748,7071
Oct 20, 20261,382,907,094,4501
Oct 19, 20261,369,069,954,5701
Oct 18, 2026845,637,992,9981
Oct 17, 2026907,386,160,0311
Oct 16, 20261,242,284,978,8461
Oct 15, 20261,336,938,324,6881
Oct 14, 20261,073,519,654,7101
Oct 13, 20261,049,936,538,4011
Oct 12, 20261,099,108,443,1161
Oct 11, 2026840,734,460,9451
Oct 10, 20261,209,688,057,2771
Oct 9, 20261,269,781,435,1081
Oct 8, 20261,294,556,736,7461
Oct 7, 20261,366,269,153,1361
Oct 6, 20261,233,511,174,6861
Oct 5, 20261,064,912,183,9861
Oct 4, 2026967,647,974,1741
Oct 3, 2026766,158,622,8421
Oct 2, 2026665,223,669,4461
Oct 1, 2026672,539,410,3751
Sep 30, 20261,048,211,814,9861
Sep 29, 20261,178,735,652,4191
Sep 28, 20261,211,198,041,2761
Sep 27, 20261,001,910,248,5691
Sep 26, 2026874,031,239,2911
Sep 25, 2026826,828,502,1131
Sep 24, 20261,342,529,612,0721
Sep 23, 20261,629,400,121,5241
Sep 22, 20262,084,298,005,0871
Sep 21, 20261,883,026,566,6931
Sep 20, 20261,971,310,447,6121
Sep 19, 20261,411,341,498,0401
Sep 18, 20262,026,493,739,2671
Sep 17, 20261,983,748,730,0111
Sep 16, 20261,581,018,240,1171
Sep 15, 20261,818,993,397,2601
Sep 14, 20261,724,288,980,4431
Sep 13, 20261,379,623,656,2821
Sep 12, 20261,493,844,286,1041
Sep 11, 20261,628,503,208,2381
Sep 10, 20262,330,317,015,0781
Sep 9, 20263,254,378,053,5201
Sep 8, 20263,405,147,893,4311
Sep 7, 20263,324,245,026,6461
Sep 6, 20261,766,332,794,8911
Sep 5, 20262,043,385,142,1471
Sep 4, 20262,954,935,990,4381
Sep 3, 20262,989,073,301,5171
Sep 2, 20262,265,371,409,4481
Sep 1, 20261,714,603,276,2421
Aug 31, 2026939,373,453,4081
Aug 30, 20261,163,086,114,3821
Aug 29, 20261,538,875,055,6581
Aug 28, 2026363,788,183,0151

Source: OpenRouter (openrouter.ai/rankings), as of Oct 24, 2026. CC BY 4.0. Totals include only individually published routes. Tokenizers differ by provider; the aggregated “other” category is never assigned to a model.

Technical details & API

Explore specifications, supported parameters, reasoning controls, and API identifiers for each OpenRouter route.

Current route specifications
tencent/hy4-previewObserved
Context
1,048,576
Maximum output
64,000
Tokenizer
Other
Input
text
Output
text
Moderation
No
Added to OpenRouter
2026-08-28
Base URLhttps://openrouter.ai/api/v1
Model IDtencent/hy4-preview
Version IDtencent/hy4-preview-20260827
Weights IDtencent/Hy4-preview

Reasoning

Required
No
Enabled by default
Yes
Default effort
high
Supported efforts
high, low, none

Supported parameters

  • frequency_penalty
  • include_reasoning
  • logit_bias
  • max_completion_tokens
  • max_tokens
  • min_p
  • presence_penalty
  • reasoning
  • reasoning_effort
  • repetition_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_p

Frequently asked questions

Answers based on the model metadata and serving offers currently in the catalog.

How much does Hy4 preview cost?

Listed rates start at $0.834 per million input tokens and $2.501 per million output tokens. Prices vary by provider and configuration; see Pricing for details.

Which providers offer Hy4 preview?

There are 23 cataloged offers across 19 providers. Compare model IDs, prices and limits in Providers.

What is the context window?

The cataloged model context is 1,024,000 tokens. Each serving endpoint may apply a different limit.

Does it support tools and structured output?

Tool calling: Not reported. Structured output: Not reported. Support can vary by endpoint.

Catalog history · 3 recorded revisions

Metadata observations since this model was first cataloged. These are not model release versions.

  • · 9dc8b19fce8f
  • · 4cc85ba86534
  • · 50a46117b0b7