Claude Haiku 5.5 vs Qwen3.8 Max (0902)

Claude Haiku 5.5 leads Qwen3.8 Max (0902) on coding, 70.7 to 62.4 on the Vibe Coding Index, and Claude Haiku 5.5 costs 12.0x less per output token ($0.50 vs $6.00 per million). Updated October 22, 2026; 52 benchmarks have a result for both.

Replace Claude Haiku 5.5 Replace Qwen3.8 Max (0902)

Claude Haiku 5.5Anthropic

Coding: 70.7
Overall: 67.6
Output $/M: $0.50

Qwen3.8 Max (0902)Qwen

Coding: 62.4
Overall: 68.9
Output $/M: $6.00

vs boards won of 52 shared, 1 tied

Claude Haiku 5.5 or Qwen3.8 Max (0902): which to pick

Pick Claude Haiku 5.5 for coding: it scores 70.7 on the Vibe Coding Index against 62.4 for Qwen3.8 Max (0902).

Pick Qwen3.8 Max (0902) for work measured by LMArena WebDev or IOI (Vals AI), where it leads.

Model AClaude Haiku 5.5Anthropic70.7/1005 independent benchmarksNo cost per solved task Model BQwen3.8 Max (0902)Qwen62.4/1005 independent benchmarks$1.32 per solved task

521362

Shared results: 52
Claude Haiku 5.5 only: 13
Qwen3.8 Max (0902) only: 62
Like-for-like categories: 8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

Coding
Vibe Coding Index, six public coding benchmarks
Claude Haiku 5.5
Claude Haiku 5.5 scores 70.7 against 62.4.
5 benchmarks behind each score
Intelligence
AA Intelligence Index
Qwen3.8 Max (0902)
Qwen3.8 Max (0902) leads, 45.4 against 43.4.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Qwen3.8 Max (0902) has a AA Agentic Index result, 56.0.
Directional only
Reasoning
GPQA Diamond
No call
Only Qwen3.8 Max (0902) has a GPQA Diamond result, 93.7%.
Directional only
Knowledge
MMLU Pro
No call
Only Qwen3.8 Max (0902) has a MMLU Pro result, 88.6%.
Directional only
Web design
Design Arena: websites
Qwen3.8 Max (0902)
Qwen3.8 Max (0902) leads, 1275 against 1262.
Same board, both measured
General
Vals Index
No call
Only Claude Haiku 5.5 has a Vals Index result, 58.7%.
Directional only
Long documents
Listed context window
No call
Both take 1M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Claude Haiku 5.5
Claude Haiku 5.5 $0.0003, Qwen3.8 Max (0902) $0.0050 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Qwen3.8 Max (0902) has the number, $1.32.
Directional only

At a glance

Coding index: Claude Haiku 5.5 70.7 from 5 benchmarks, Qwen3.8 Max (0902) 62.4 from 5 benchmarks.
Widest category: Knowledge, 17.2 points apart on average over 2 shared benchmarks.
Widest single gap: LiveBench browser: Claude Haiku 5.5 80.0% against Qwen3.8 Max (0902) 32.0%, 48.0 points apart on a 0 to 100 scale.
Output price: Claude Haiku 5.5 $0.50 against Qwen3.8 Max (0902) $6.00 per million output tokens, 12.0x apart.
Context window: Both take 1M tokens.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
Category	Claude Haiku 5.5	Qwen3.8 Max (0902)	Ties
Coding	10	4
Intelligence	1	1
Agentic work	4	5
Reasoning	3	3
Math	2	1	1 tie
Knowledge	1	1
Web design	4	3
General	5	3
All shared boards	30	21	1 tie

CodingLike-for-likeSix of these boards feed the Vibe Coding Index104

Coding benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
LiveBench coding	91.4%	60.3%	Claude Haiku 5.5
LMArena WebDev	1586	1674	Qwen3.8 Max (0902)
AA Coding Index	Not measured	76.2	Only Qwen3.8 Max (0902) measured
LiveCodeBench (Vals AI)	Not measured	87.8%	Only Qwen3.8 Max (0902) measured
SWE-bench Verified (Vals AI)	Not measured	85.6%	Only Qwen3.8 Max (0902) measured
Terminal-Bench 4 (Vals AI)	36.4%	34.3%	Claude Haiku 5.5
Vibe Code Bench (Vals AI)	90.4%	64.7%	Claude Haiku 5.5
Code migration (Vals AI)	44.6%	24.0%	Claude Haiku 5.5
ProgramBench (Vals AI)	2.5%	0.0%	Claude Haiku 5.5
IOI (Vals AI)	47.3%	68.9%	Qwen3.8 Max (0902)
Terminal-Bench 2.1 (Vals AI)	Not measured	67.4%	Only Qwen3.8 Max (0902) measured
SWE-bench Multimodal (Vals AI)	44.0%	42.5%	Claude Haiku 5.5
Vibe Code Bench 1-100 (Vals AI)	20.4%	12.8%	Claude Haiku 5.5
SkillsBench (Vals AI)	Not measured	42.0%	Only Qwen3.8 Max (0902) measured
CyberBench (Vals AI)	75.5%	28.6%	Claude Haiku 5.5
SciCode	55.0%	53.2%	Claude Haiku 5.5
FrontierCode	46.4%	Not measured	Only Claude Haiku 5.5 measured
FrontierSWE	43.8%	17.8%	Claude Haiku 5.5
LMArena Text: coding	Not measured	1502	Only Qwen3.8 Max (0902) measured
LMArena Text: software and IT	Not measured	1498	Only Qwen3.8 Max (0902) measured
LMArena WebDev: React	1605	1692	Qwen3.8 Max (0902)
LMArena WebDev: HTML	1569	1649	Qwen3.8 Max (0902)
LMArena WebDev: from an image	Not measured	1637	Only Qwen3.8 Max (0902) measured
SciCode	9.2%	Not measured	Only Claude Haiku 5.5 measured
SWE-Bench Pro V2	87.2%	Not measured	Only Claude Haiku 5.5 measured
Neither model has a result on the other 18 boards here

IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11

Intelligence benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
AA Intelligence Index	43.4	45.4	Qwen3.8 Max (0902)
Epoch Capabilities Index	159.3	157.4	Claude Haiku 5.5

Agentic workLike-for-likePublic boards, shown as published, kept out of the index45

Agentic work benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
AA Agentic Index	Not measured	56.0	Only Qwen3.8 Max (0902) measured
Design Arena: agents building web apps	Not measured	1300	Only Qwen3.8 Max (0902) measured
Design Arena: agents building full-stack apps	Not measured	1305	Only Qwen3.8 Max (0902) measured
Design Arena: agents building mobile apps	Not measured	1224	Only Qwen3.8 Max (0902) measured
Design Arena: agents building Android apps	Not measured	1190	Only Qwen3.8 Max (0902) measured
Design Arena: agents building Godot games	Not measured	1234	Only Qwen3.8 Max (0902) measured
Design Arena: PowerPoint slides	Not measured	1232	Only Qwen3.8 Max (0902) measured
Design Arena: spreadsheets	Not measured	993	Only Qwen3.8 Max (0902) measured
LiveBench research	81.9%	69.9%	Claude Haiku 5.5
LiveBench browser	80.0%	32.0%	Claude Haiku 5.5
LiveBench long agentic	57.6%	42.3%	Claude Haiku 5.5
SREBench (Vals AI)	5.7%	Not measured	Only Claude Haiku 5.5 measured
Finance Agent (Vals AI)	54.1%	50.6%	Claude Haiku 5.5
Tax Agent Bench (Vals AI)	31.9%	32.1%	Qwen3.8 Max (0902)
Legal Research Bench (Vals AI)	43.3%	47.6%	Qwen3.8 Max (0902)
Harvey's Legal Agent Benchmark (Vals AI)	4.2%	Not measured	Only Claude Haiku 5.5 measured
Excel Modeling Benchmark (Vals AI)	59.0%	60.1%	Qwen3.8 Max (0902)
BioMysteryBench (Vals AI)	70.4%	Not measured	Only Claude Haiku 5.5 measured
Terminal-Bench-Science (Vals AI)	10.0%	12.9%	Qwen3.8 Max (0902)
Vals Science Index	38.5%	Not measured	Only Claude Haiku 5.5 measured
APEX-Agents	56.1%	63.3%	Qwen3.8 Max (0902)
Vending-Bench 2	$3,602	Not measured	Only Claude Haiku 5.5 measured
LMArena Search	Not measured	1261	Only Qwen3.8 Max (0902) measured
Neither model has a result on the other 19 boards here

ReasoningLike-for-likePublic boards, shown as published, kept out of the index33

Reasoning benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
GPQA Diamond	Not measured	93.7%	Only Qwen3.8 Max (0902) measured
LiveBench reasoning	82.4%	88.2%	Qwen3.8 Max (0902)
MysteryMechanism (Vals AI)	35.1%	23.9%	Claude Haiku 5.5
MMMU Pro (Vals AI)	Not measured	88.0%	Only Qwen3.8 Max (0902) measured
GPQA Diamond (Artificial Analysis run)	Not measured	92.8%	Only Qwen3.8 Max (0902) measured
Humanity's Last Exam (Artificial Analysis run)	44.4%	43.1%	Claude Haiku 5.5
GPQA Diamond (Epoch AI run)	89.6%	92.7%	Qwen3.8 Max (0902)
ARC-AGI	89.0%	Not measured	Only Claude Haiku 5.5 measured
ARC-AGI-2	61.3%	Not measured	Only Claude Haiku 5.5 measured
Chess puzzles	55.0%	46.0%	Claude Haiku 5.5
Mystery game puzzles	30.0%	38.0%	Qwen3.8 Max (0902)
EBR-bench	43.8%	Not measured	Only Claude Haiku 5.5 measured
LMArena Text: hard prompts	Not measured	1496	Only Qwen3.8 Max (0902) measured
LMArena Text: expert	Not measured	1507	Only Qwen3.8 Max (0902) measured
LMArena Text: hard prompts in English	Not measured	1503	Only Qwen3.8 Max (0902) measured
LMArena Vision: diagrams	Not measured	1323	Only Qwen3.8 Max (0902) measured
LMArena Vision: homework	Not measured	1336	Only Qwen3.8 Max (0902) measured
Neither model has a result on the other 6 boards here

MathLike-for-likePublic boards, shown as published, kept out of the index21

Math benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
OTIS Mock AIME	98.9%	100.0%	Qwen3.8 Max (0902)
FrontierMath, tiers 1 to 3	75.1%	74.7%	Claude Haiku 5.5
FrontierMath, tier 4	46.3%	46.3%	Tie
ProofBench	89.0%	58.0%	Claude Haiku 5.5
LMArena Text: math	Not measured	1501	Only Qwen3.8 Max (0902) measured
LMArena Text: mathematical work	Not measured	1491	Only Qwen3.8 Max (0902) measured
MathArena	Not measured	51.6%	Only Qwen3.8 Max (0902) measured
Neither model has a result on the other 7 boards here

KnowledgeLike-for-likePublic boards, shown as published, kept out of the index11

Knowledge benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
MMLU Pro	Not measured	88.6%	Only Qwen3.8 Max (0902) measured
LegalBench (Vals AI)	Not measured	83.6%	Only Qwen3.8 Max (0902) measured
CorpFin (Vals AI)	Not measured	65.8%	Only Qwen3.8 Max (0902) measured
TaxEval (Vals AI)	Not measured	75.5%	Only Qwen3.8 Max (0902) measured
MortgageTax (Vals AI)	Not measured	64.0%	Only Qwen3.8 Max (0902) measured
MedCode (Vals AI)	51.5%	40.7%	Claude Haiku 5.5
SimpleQA Verified	23.8%	47.3%	Qwen3.8 Max (0902)
LMArena Text: science	Not measured	1512	Only Qwen3.8 Max (0902) measured
LMArena Text: medicine and healthcare	Not measured	1503	Only Qwen3.8 Max (0902) measured
LMArena Text: legal and government	Not measured	1492	Only Qwen3.8 Max (0902) measured
LMArena Text: business and finance	Not measured	1480	Only Qwen3.8 Max (0902) measured
Neither model has a result on the other 9 boards here

Web designLike-for-likePublic boards, shown as published, kept out of the index43

Web design benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
Design Arena: websites	1262	1275	Qwen3.8 Max (0902)
Design Arena: UI components	1283	1336	Qwen3.8 Max (0902)
Design Arena: game dev	1315	1312	Claude Haiku 5.5
Design Arena: data viz	1297	1282	Claude Haiku 5.5
Design Arena: 3D	1342	1336	Claude Haiku 5.5
Design Arena: all code categories	1278	1292	Qwen3.8 Max (0902)
Design Arena: ASCII art	Not measured	1200	Only Qwen3.8 Max (0902) measured
LiveBench design	83.1%	78.6%	Claude Haiku 5.5
Neither model has a result on the other 1 board here

GeneralLike-for-likePublic boards, shown as published, kept out of the index53

General benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
Vals Index	58.7%	Not measured	Only Claude Haiku 5.5 measured
LiveBench data analysis	53.1%	78.4%	Qwen3.8 Max (0902)
Public Benefits Bench (Vals AI)	63.2%	67.1%	Qwen3.8 Max (0902)
SAGE (Vals AI)	45.8%	51.2%	Qwen3.8 Max (0902)
MedScribe (Vals AI)	89.5%	85.0%	Claude Haiku 5.5
Vals Multimodal Index	Not measured	65.4%	Only Qwen3.8 Max (0902) measured
Long context reasoning (AA-LCR)	82.7%	80.3%	Claude Haiku 5.5
DTBench	95.0%	92.0%	Claude Haiku 5.5
LMCA	51.1%	46.2%	Claude Haiku 5.5
Furniture assembly	47.5%	20.0%	Claude Haiku 5.5
LMArena Text	Not measured	1483	Only Qwen3.8 Max (0902) measured
LMArena Text: instruction following	Not measured	1481	Only Qwen3.8 Max (0902) measured
LMArena Text: creative writing	Not measured	1477	Only Qwen3.8 Max (0902) measured
LMArena Vision	Not measured	1313	Only Qwen3.8 Max (0902) measured
LMArena Text: English	Not measured	1491	Only Qwen3.8 Max (0902) measured
LMArena Text: non-English	Not measured	1473	Only Qwen3.8 Max (0902) measured
LMArena Text: Chinese	Not measured	1539	Only Qwen3.8 Max (0902) measured
LMArena Text: German	Not measured	1478	Only Qwen3.8 Max (0902) measured
LMArena Text: Japanese	Not measured	1473	Only Qwen3.8 Max (0902) measured
LMArena Text: Korean	Not measured	1460	Only Qwen3.8 Max (0902) measured
LMArena Text: French	Not measured	1498	Only Qwen3.8 Max (0902) measured
LMArena Text: Spanish	Not measured	1489	Only Qwen3.8 Max (0902) measured
LMArena Text: Russian	Not measured	1482	Only Qwen3.8 Max (0902) measured
LMArena Text: Polish	Not measured	1471	Only Qwen3.8 Max (0902) measured
LMArena Text: multi-turn	Not measured	1489	Only Qwen3.8 Max (0902) measured
LMArena Text: longer queries	Not measured	1488	Only Qwen3.8 Max (0902) measured
LMArena Text: writing and language	Not measured	1477	Only Qwen3.8 Max (0902) measured
LMArena Text: entertainment and media	Not measured	1464	Only Qwen3.8 Max (0902) measured
LMArena Vision: English	Not measured	1311	Only Qwen3.8 Max (0902) measured
LMArena Vision: Chinese	Not measured	1358	Only Qwen3.8 Max (0902) measured
LMArena Vision: reading text	Not measured	1322	Only Qwen3.8 Max (0902) measured
LMArena Vision: humor	Not measured	1304	Only Qwen3.8 Max (0902) measured
LMArena Vision: creative writing	Not measured	1312	Only Qwen3.8 Max (0902) measured
MultiChallenge	67.7%	Not measured	Only Claude Haiku 5.5 measured
Neither model has a result on the other 14 boards here

Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Image generation benchmarks for Claude Haiku 5.5 and Qwen3.8 Max (0902)
Benchmark	Claude Haiku 5.5	Qwen3.8 Max (0902)	Leader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Claude Haiku 5.5$0.0003Fits in one request

Qwen3.8 Max (0902)$0.0050Fits in one request

Claude Haiku 5.5 costs less

Repository review

50K input + 3K output tokens

Claude Haiku 5.5$0.0065Fits in one request

Qwen3.8 Max (0902)$0.118Fits in one request

Claude Haiku 5.5 costs less

Agent loop

200K input + 10K output tokens

Claude Haiku 5.5$0.025Fits in one request

Qwen3.8 Max (0902)$0.460Fits in one request

Claude Haiku 5.5 costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Claude Haiku 5.5 and Qwen3.8 Max (0902)
Specification	Anthropic Claude Haiku 5.5	Qwen3.8 Max (0902)
Maker	Anthropic	Qwen
Weights	No public weights listed	No public weights listed
Released	October 7, 2026	September 3, 2026
Context window	1M	1M
Input $/Mtok	$0.10	$2.00
Output $/Mtok	$0.50	$6.00
Coding index	70.7	62.4
Independent measurements behind it	5	5
Cost per solved task	Not computable	$1.32
Source	OpenRouter listing	OpenRouter listing

Questions

Is Claude Haiku 5.5 better than Qwen3.8 Max (0902) for coding?

Pick Claude Haiku 5.5 for coding: it scores 70.7 on the Vibe Coding Index against 62.4 for Qwen3.8 Max (0902). Pick Qwen3.8 Max (0902) for work measured by LMArena WebDev or IOI (Vals AI), where it leads.

Which is cheaper, Claude Haiku 5.5 or Qwen3.8 Max (0902)?

Claude Haiku 5.5 costs $0.10 per million input tokens and $0.50 per million output tokens; Qwen3.8 Max (0902) costs $2.00 and $6.00. Cost per solved task is known for Qwen3.8 Max (0902) only.

Which has the bigger context window, Claude Haiku 5.5 or Qwen3.8 Max (0902)?

Neither: both take 1M tokens.

How many benchmarks is the Claude Haiku 5.5 vs Qwen3.8 Max (0902) comparison based on?

52 benchmarks have a result for both models as of October 22, 2026. Claude Haiku 5.5's coding index rests on 5 independent benchmarks and Qwen3.8 Max (0902)'s on 5. Where only one model has a result, the page says so instead of naming a winner.

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Claude Haiku 5.5 or Qwen3.8 Max (0902): which to pick

Which one for your work

Coding

Intelligence

Agentic work

Reasoning

Knowledge

Web design

General

Long documents

Everyday cost

Cost per solved task

At a glance

Benchmark by benchmark

What each workload costs

Chat turn

Repository review

Agent loop

Specification differences

Questions

Compare next