Compare / Claude Sonnet 4.6 vs Hy3 preview

Claude Sonnet 4.6 vs Hy3 preview

Which is cheaper, which is more capable, and which does better at each kind of work, from 17 results on 3 sources that measured both models.

Claude Sonnet 4.6
Anthropic · profile
Hy3 preview
Tencent · profile
Results compared
17
Shared sources
3

Claude Sonnet 4.6 or Hy3 preview? The short answer

  • Hy3 preview is cheaper: $0.29 against $6.00 per million tokens, 21 times less.
  • Claude Sonnet 4.6 scores higher on the Artificial Analysis Intelligence Index: 30.1 against 22.7.
  • On our business benchmarks, Claude Sonnet 4.6 ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

Claude Sonnet 4.6Hy3 preview
Price per million tokens$3.00 in · $15.00 out$0.18 in · $0.60 out
Blended (3 in : 1 out)$6.00$0.29
Cheapest host, blended$6.00 (Claude Platform on AWS)–
Intelligence Index30.122.7
Spring Prompt overall––
Output speed, tokens a second––
Context window1,000,000 tokens262,144 tokens
WeightsClosedOpen
Developer based inthe USChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseClaude Sonnet 4.6Hy3 preview
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 51 of 161 not measured
Professional workReal tasks from banking, consulting and law, business documents and freelance projects 31 of 51 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 55 of 195 73 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 30 of 187 86 of 187
Sticking to the factsSummarising without inventing things, and factual answers 79 of 153 128 of 153

Every shared result

BenchmarkMetricClaude Sonnet 4.6Hy3 preview
Arena (formerly LMArena)reportedOverallArena rating 1,4611,413
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4821,411
Arena (formerly LMArena)reportedCreative writingArena rating 1,4491,354
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5061,446
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4751,397
Arena (formerly LMArena)reportedOverallArena rating 1,4721,409
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4551,378
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 30.122.7
Artificial AnalysisreportedGPQA Diamond% of questions 87.5%86.7%
Artificial AnalysisreportedHumanity's Last Exam% of questions 33.6%27.8%
Artificial AnalysisreportedIFBench% of instructions 56.6%63.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 80.0%64.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 53.0%34.1%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 79.5%92.7%
UGI LeaderboardreportedRequested-length error% off the requested word count 2.0%18.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.34
UGI LeaderboardreportedWriting scorescore out of 100 64.551.1

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is Claude Sonnet 4.6 better than Hy3 preview?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Claude Sonnet 4.6 ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Claude Sonnet 4.6 or Hy3 preview?

Hy3 preview costs $0.29 per million tokens (three input to one output), against $6.00 for Claude Sonnet 4.6.

Run Claude Sonnet 4.6 and Hy3 preview on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.