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Claude Sonnet 4.5vsHy3

Hy3 leads 4 of 4 shared benchmarks. Hy3 has the larger context window (256K tokens).

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

Shared benchmarks
0 – 4
Hy3 leads
Cheaper per token
list price, input + output
Larger context
Hy3
256K tokens
Provider uptime (30d)
100% · —
Anthropic · Tencent Hunyuan
Claude Sonnet 4.5
Anthropic · released 2025-09-29
textvision
Context
200K
Max out
64K
Input /1M
$3
Output /1M
$15
Cached /1M
$0.3
Scores
21 · 10 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

BenchmarkClaude Sonnet 4.5Hy3ΔEdge
Reported by both · 4
SWE-bench Verified77.2% 78% -0.8 ptHy3
GPQA Diamond83.4% 90.4% -7 ptHy3
Humanity's Last Exam (no tools)17.7% 37% -19.3 ptHy3
MCP Atlas43.8% 79.1% -35.3 ptHy3
Only Claude Sonnet 4.5 reports · 16
AIME 202584.2% matharenanot reported
ARC-AGI-2 (Verified)13.6% not reported
FrontierMath Tier 4 v2 (Epoch AI run)2.4% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)23.9% epochnot reported
GDPval-AA1276 not reported
Humanity's Last Exam (with tools)33.6% not reported
MMMLU89.5% not reported
MMMU-Pro (no tools)63.4% not reported
MMMU-Pro (with tools)68.9% not reported
OSWorld-Verified61.4% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)77.8% epochnot reported
SimpleQA Verified30.7% epochnot reported
SWE-bench Verified (Epoch AI run)71.3% epochnot reported
Tau2-bench Retail86.2% not reported
Tau2-bench Telecom98% not reported
Terminal-Bench 2.051% not reported
Only Hy3 reports · 37
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%
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 Claude Sonnet 4.5 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

SpecClaude Sonnet 4.5Hy3Edge
Context window200K tokens256K tokensHy3
Max output64K tokens
Input price / 1M$3
Output price / 1M$15
Cached input / 1M$0.3
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18
Modalitiestext · visiontextClaude Sonnet 4.5
Released2025-09-292026-07-06
Cited benchmark scores2141
Reliability

Provider status

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Claude Sonnet 4.5 vs …

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