tencent · Efficient
Tencent Hy3
Hy3 is Tencent's 295B-parameter Mixture-of-Experts model with 21B active parameters, native 256K context, and configurable reasoning modes. It is built for coding, long-context comprehension, multi-turn dialogue, and agentic task execution with a focus on high-throughput production workloads.
- Reasoning
- Tools
- Structured output
- Input
- Text
- Output
- Text
- Reasoning effort
- none · low · high
- Discovery tier
- Efficient
Pricing
USD per 1M tokens- Input
- $0.066
- Output
- $0.26
- Cache read
- $0.029
Reference prices as published by the model provider. API example
Specifications
- Context window
- 262.1K
- Max output
- 128K
- Average output (7 days)
- 1.4K tokens
- Longer than 83% of 468 models
Side by side
Tencent Hy3 compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| Tencent Hy3tencentThis model | Grok 4.20xAIRemove | |
|---|---|---|
| Provider | tencent | xAI |
| Discovery tier | Efficient | Balanced |
| Added | Jul 6, 2026 | Mar 31, 2026 |
| Limits | ||
| Context window | 262.14K | 2MBest |
| Max output | 128K | 131.07KBest |
| Average output | 1.4K tokens | 679 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.066Best | $1.25 |
| Output | $0.26Best | $2.50 |
| Cache read | $0.029Best | $0.20 |
| Performance | ||
| Throughput | 78.9 tok/s | 91.2 tok/sBest |
| Time to first token | 3.7 s | 2.9 sBest |
| Request success (24h) | 99.5% | 99.9%Best |
| Benchmark indexes | ||
| Intelligence Index | 25.3 | 25.7Best |
| Coding Index | 58.8 | — |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | No | Yes |
| Structured output | Yes | Yes |
| Reasoning effort | none, low, high | — |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- Tencent Hy3
- Grok 4.20
Intelligence Index
- Tencent Hy325.3
- Grok 4.2025.7
Tencent Hy3: Better than 62% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- Tencent Hy3: 58.8
- Grok 4.20: —
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- Tencent Hy3: 18.4%
- Grok 4.20: —
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- Tencent Hy3: 2.7%
- Grok 4.20: —
AA-Briefcasev1.1
Agentic knowledge work, rated head to head
- Tencent Hy3: 947 Elo
- Grok 4.20: —
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- Tencent Hy3: 1,063 Elo
- Grok 4.20: —
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- Tencent Hy3: 11.2%
- Grok 4.20: —
AA-LCRv1.1
Reasoning across long documents
- Tencent Hy3: 79.0%Top
- Grok 4.20: 69.0%
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- Tencent Hy3: 33.5%
- Grok 4.20: 34.5%Top
GPQA Diamond
Graduate-level science questions
- Tencent Hy3: 89.7%
- Grok 4.20: 91.1%Top
IFBench
Following precise output instructions
- Tencent Hy3: —
- Grok 4.20: 81.2%
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- Tencent Hy3: 0.5%
- Grok 4.20: —
SciCode
Scientific computing in Python
- Tencent Hy3: 48.6%
- Grok 4.20: —
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- Tencent Hy3: —
- Grok 4.20: 37.9%
τ²-Bench Telecom
Tool use in a customer-support simulation
- Tencent Hy3: —
- Grok 4.20: 93.0%
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- Tencent Hy3: 79.0%Top
- Grok 4.20: 69.0%
Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis
- Tencent Hy3
- Grok 4.20
| Leaderboard | Tencent Hy3 | Grok 4.20 |
|---|---|---|
| Vision Style Control · Entity Recognition | Not in top 20 | #7 · 1238.1 |
Ranks among Noumen catalog models on LMArena leaderboards. Only top-20 placements are listed.LMArena
- Tencent Hy3
- Grok 4.20
| Leaderboard | Tencent Hy3 | Grok 4.20 |
|---|---|---|
| FrontierMath v2 (Tiers 1–3) | Not in top 20 | #14 · 44.9% |
| GPQA Diamond | Not in top 20 | #12 · 89.3% |
Ranks among Noumen catalog models on Epoch AI leaderboards. Only top-20 placements are listed.Epoch AI
- Tencent Hy3
- Grok 4.20
| Leaderboard | Tencent Hy3 | Grok 4.20 |
|---|---|---|
| ARC-AGI-3 (Default harness) | Not in top 20 | #20 · 0.1% |
Ranks among Noumen catalog models on ARC Prize leaderboards. Only top-20 placements are listed.ARC Prize
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Throughput
- 78.9 tok/s
- Faster than 52% of 254 models
- Time to first token
- 3.7 s
- Quicker than 48% of 254 models
- Prompt cache hits
- 67.8%
- About $0.0409 per 1M input tokens with caching
- Request success (24h)
- 99.5%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "tencent/hy3",
"reasoning_effort": "none",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="tencent/hy3",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)tencent
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