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Grok 4.20 ReasoningvsHy3

Hy3 leads 1 of 1 shared benchmark. Grok 4.20 Reasoning has the larger context window (1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 1
Hy3 leads
Cheaper per token
list price, input + output
Larger context
Grok 4.20 Reasoning
1M tokens
Provider uptime (30d)
— · —
xAI · Tencent Hunyuan
Grok 4.20 Reasoning
xAI · released 2026-03-09
textvision
Context
1M
Max out
Input /1M
$1.25
Output /1M
$2.5
Cached /1M
$0.2
Scores
5 · 5 core
Hy3
Tencent Hunyuan · released 2026-07-06
text
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
41 · 8 core
Quality

Benchmark matrix

BenchmarkGrok 4.20 ReasoningHy3ΔEdge
Reported by both · 1
GPQA Diamond89.3% epoch90.4% -1.1 ptHy3
Only Grok 4.20 Reasoning reports · 4
FrontierMath Tier 4 v2 (Epoch AI run)17.1% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)44.9% epochnot reported
OTIS Mock AIME 2024-2025 (Epoch AI run)92.2% epochnot reported
SimpleQA Verified30.2% epochnot reported
Only Hy3 reports · 40
SWE-bench Verifiednot reported78%
Humanity's Last Exam (no tools)not reported37%
LMArena Elonot reported1440.6
AA-LCRnot reported73.4%
Apex-Agentnot reported25.6%
ArxivMathnot reported52.2%
BrowseCompnot reported84.2%
CL-benchnot reported23.8%
CL-bench Lifenot reported17%
ClawEvalnot reported68.5%
CMT-Benchmarknot reported37.8%
DeepSearchQAnot reported91%
DeepSWEnot reported28%
e-benchnot reported50.2%
FrontierScience-Olympiadnot reported74.8%
FrontierScience-Researchnot reported21.3%
HLE (with tools, text-only)not reported53.2%
HorizonMathnot reported7.1%
Hy-Backend 2.0not reported25%
Hy-CompanyBenchnot reported41.7%
Hy-Euler Pronot reported24.2%
Hy-FinModelBenchnot reported69%
Hy-Mathnot reported60.9%
Hy-SkillsWorldnot reported45.8%
Hy-SWE Maxnot reported49%
IMOAnswerBenchnot reported90%
MathArena Apexnot reported38.7%
MCP Atlasnot reported79.1%
NL2Reponot reported45.6%
PHYBenchnot reported77.4%
ProdBenchnot reported23%
SkillsBenchnot reported55.3%
SuperChemnot reported54.9%
SWE-bench Multilingualnot reported75.8%
SWE-bench Pronot reported57.9%
Terminal-Bench 2.1not reported71.7%
Toolathlonnot reported48.5%
USAMO 2026not reported72%
WideSearchnot reported76.4%
WildClawBenchnot reported53.6%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Grok 4.20 Reasoning minus Hy3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGrok 4.20 ReasoningHy3Edge
Context window1M tokens256K tokensGrok 4.20 Reasoning
Max output
Input price / 1M$1.25
Output price / 1M$2.5
Cached input / 1M$0.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$3.75
Modalitiestext · visiontextGrok 4.20 Reasoning
Released2026-03-092026-07-06
Cited benchmark scores541
Reliability

Provider status

All providers
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Grok 4.20 Reasoning vs …

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