Compare / Qwen3-30B-A3B-Instruct-2507 vs Claude Fable 5.1

Qwen3-30B-A3B-Instruct-2507 vs Claude Fable 5.1

Which is cheaper, which is more capable, and which does better at each kind of work, from 13 results on 3 sources that measured both models.

AlibabaQwen3-30B-A3B-Instruct-2507 Released 29 Jul 2025 · $0.090 in · $0.30 out
AnthropicClaude Fable 5.1 Released 1 Sep 2026 · $10.00 in · $50.00 out
Qwen3-30B-A3B-Instruct-2507 wins 0Claude Fable 5.1 wins 13

Of the 13 results both models have, the better value on each. Results whose reported ranges overlap are too close to call.

Results as of 9 October 2026 (catalogue release 2026-10-09-dd620e778ac5). See also Alibaba vs Anthropic, every model from both labs.

Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1? The short answer

Pick Claude Fable 5.1 if quality matters most: it scores higher (Intelligence Index 53.4 against 7.5). Pick Qwen3-30B-A3B-Instruct-2507 if cost matters more: it costs 140 times less per token.

  • Qwen3-30B-A3B-Instruct-2507 is cheaper: $0.14 against $20.00 per million tokens, 140 times less.
  • Claude Fable 5.1 scores higher on the Artificial Analysis Intelligence Index: 53.4 against 7.5.
  • Claude Fable 5.1 is newer: released 1 Sep 2026, against 29 Jul 2025 for Qwen3-30B-A3B-Instruct-2507.
  • On third-party benchmarks, on the results both models have: Claude Fable 5.1 does better for reasoning and knowledge and writing.

Head to head

7.5
Intelligence Index
53.4
$0.14
Price per million tokens, blendedlower is better
$20.00
262,144
Context window, tokens
1,000,000

Every fact side by side

Qwen3-30B-A3B-Instruct-2507Claude Fable 5.1
Price per million tokens$0.090 in · $0.30 out$10.00 in · $50.00 out
Blended (3 in : 1 out)$0.14$20.00
Cheapest host, blended$0.084 (StreamLake)$20.00 (Amazon Bedrock)
Cached input, per million–$0.25 cached input
Intelligence Index7.553.4
Spring Prompt overall–66
Output speed, tokens a second–67
Context window262,144 tokens1,000,000 tokens
Released29 Jul 20251 Sep 2026 (newer)
WeightsOpenClosed
Developer based inChinathe US

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 the models on sale today, for each kind of work, from our own benchmarks and licensed sources. Further right is better; the better rank is in green.

Product listingsTurning a sparse product feed and photos into listings that can go live not measured 15 of 20
Decks from an analysisTurning a finished analysis into a deck you could present as it is not measured 6 of 19
Marketing planningPlanning a year of ad spend without overspending not measured 6 of 19
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 75 of 164 14 of 164
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 4 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 159 of 198 4 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 140 of 188 18 of 188
Sticking to the factsSummarising without inventing things, and factual answers not measured 4 of 152
Speed under pressureGood decisions against a real clock (fast chess) not measured 24 of 24

From our research

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. Under each measure, every model that benchmark has measured is a grey tick, best to the right, so you can see where the two sit in the field. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureQwen3-30B-A3B-Instruct-2507Claude Fable 5.1
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 162 · 6 of 387 measured 1,383 1,501max reasoning
Business, management and finance · TextArena rating, higher is better 144 · 17 of 380 measured 1,397 1,484max reasoning
Creative writing · TextArena rating, higher is better 186 · 9 of 385 measured 1,319 1,482max reasoning
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 209 · 3 of 243 measured 7.5 53.4max reasoning
GPQA Diamond% of questions, higher is better 172 · 8 of 231 measured 65.9% 93.7%max reasoning
Humanity's Last Exam% of questions, higher is better 173 · 2 of 242 measured 6.9% 59.1%max reasoning
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 163 · 31 of 230 measured 27.9 63.9medium reasoning
Requested-length error · UGI% off the requested word count, lower is better 57 · 8 of 230 measured 13.0% 3.0%high reasoning
Style adherence · UGIscore from 0 to 1, higher is better 187 · 2 of 230 measured 0.31 0.43high reasoning
Show all 13 results (4 more)
MeasureQwen3-30B-A3B-Instruct-2507Claude Fable 5.1
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Expert prompts · TextArena rating, higher is better 163 · 15 of 338 measured 1,395 1,521max reasoning
Instruction following · TextArena rating, higher is better 164 · 6 of 387 measured 1,367 1,497max reasoning
Writing, literature and language · TextArena rating, higher is better 176 · 7 of 386 measured 1,342 1,491max reasoning
Artificial Analysis reported by Artificial Analysis · 1 result
Long-context reasoning (AA-LCR)% of questions, higher is better 191 · 3 of 233 measured 26.3% 85.3%max reasoning

Quick answers

Is Qwen3-30B-A3B-Instruct-2507 better than Claude Fable 5.1?

Pick Claude Fable 5.1 if quality matters most: it scores higher (Intelligence Index 53.4 against 7.5). Pick Qwen3-30B-A3B-Instruct-2507 if cost matters more: it costs 140 times less per token.

Which is cheaper, Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1?

Qwen3-30B-A3B-Instruct-2507 is cheaper: $0.14 against $20.00 per million tokens, 140 times less.

Which is better for agents and tool use, Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1?

Claude Fable 5.1 ranks 14 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 75 for Qwen3-30B-A3B-Instruct-2507.

Which is better for reasoning and knowledge, Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1?

Claude Fable 5.1 ranks 4 of 198 models on sale for hard questions across science, maths and general knowledge, against 159 for Qwen3-30B-A3B-Instruct-2507.

Which is better for writing, Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1?

Claude Fable 5.1 ranks 18 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 140 for Qwen3-30B-A3B-Instruct-2507.

Which has the bigger context window, Qwen3-30B-A3B-Instruct-2507 or Claude Fable 5.1?

Claude Fable 5.1: 1,000,000 tokens, against 262,144 for Qwen3-30B-A3B-Instruct-2507.

Run Qwen3-30B-A3B-Instruct-2507 and Claude Fable 5.1 on your own prompt

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