Qwen3.8 27B vs Claude Fable 5

At a Glance

Compare
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#30 of 4654.0 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 36.0–69.4#2 of 4695.6 score · 3/3 sources · complete
CostLower is better · Published-token output estimate#16 of 44$0.072 per LiveBench case#44 of 44$1.01 per LiveBench case
EfficiencyHigher is better · MM Efficiency v1.5#17 of 3854.8 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 45.8–62.5#29 of 3847.8 score · 3/3 sources · complete
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.20Deepinfra · Sep 21, 2026$10.00Anthropic · Sep 3, 2026
Output priceFrom · USD / 1M tokens$2.50Deepinfra · Sep 21, 2026$50.00Anthropic · Sep 3, 2026
Context windowMaximum documented tokens262K1,000K
Model facts checkedAug 28, 2026View model evidence →Aug 28, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
BenchmarkQwen3.8-27BClaude Fable 5
LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader-0.6491% of row best · score · Qwen 3.8 27B; 95% CI [-1.36495564, 0.07819043]; sessions 37257; observations 4349219; rank 298.81100% of row best · score · Claude Fable 5 (High); 95% CI [7.56791873, 10.05963763]; sessions 38293; observations 2061291; rank 5
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,439.2796% of row best · rating · qwen3.8-27b; 95% CI [1432.84410050, 1445.69542028]; votes 10697; rank 681,492.63100% of row best · rating · claude-fable-5; 95% CI [1487.86770992, 1497.38399139]; votes 30057; rank 7
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,272.1296% of row best · rating · qwen3.8-27b; 95% CI [1262.21853873, 1282.01179703]; votes 4577; rank 351,325.86100% of row best · rating · claude-fable-5; 95% CI [1317.96760009, 1333.76174084]; votes 11304; rank 1
LiveBench2026-06-25 · overall · leader78.0290% of row best · percent · qwen3.8-27b · 28,740 output tokens / case86.55100% of row best · percent · claude-fable-5-max-effort · 20,255 output tokens / case
Overall ResultCounted from the protocol-matched rows above0 benchmark wins4 benchmark winsOverall lead

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldQwen3.8-27BClaude Fable 5
DeveloperQwenAnthropic
FamilyQwen3 8 27bClaude 5
ModelQwen3.8-27BClaude Fable 5
VersionQwen3.8-27BClaude Fable 5
Lifecycleactiveactive
ReleasedUnknown2026-06-09
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window262K1,000K
Total parameters27.8BUnknown
Active parametersUnknownUnknown
Licenseapache-2.0Unknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Hugging Face (Standard), Openrouter (Standard)Anthropic (Standard), Deepinfra (Standard), Openrouter (Standard)
Capabilitieschat, generation, reasoning, toolschat, generation, reasoning, tools

Qwen3.8 27B Capabilities

chatgenerationreasoningtools
Serving providers3
Canonical IDQwen/Qwen3.8-27B

Claude Fable 5 Capabilities

chatgenerationreasoningtools
Serving providers3
Canonical IDanthropic/claude-fable-5

Primary Evidence

Sources and Freshness

Questions

Qwen3.8 27B vs Claude Fable 5 FAQs

Is Qwen3.8 27B or Claude Fable 5 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.8 27B and Claude Fable 5, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Qwen3.8 27B or Claude Fable 5?+

Qwen3.8 27B is $0.20 and Claude Fable 5 is $10.00 per million tokens, so Qwen3.8 27B is cheaper on this metric. Qwen3.8 27B is $2.50 and Claude Fable 5 is $50.00 per million tokens, so Qwen3.8 27B is cheaper on this metric.

Which has a larger context window, Qwen3.8 27B or Claude Fable 5?+

Claude Fable 5 has the larger sourced context window. Qwen3.8 27B supports 262K and Claude Fable 5 supports 1,000K.

Which performs better in benchmarks, Qwen3.8 27B or Claude Fable 5?+

Claude Fable 5 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.

Can Qwen3.8 27B or Claude Fable 5 be self-hosted?+

Qwen3.8 27B is the only model in this pair currently marked as self-hostable. Qwen3.8 27B is open weight; Claude Fable 5 is not marked open weight.

Can Qwen3.8 27B and Claude Fable 5 understand images?+

Qwen3.8 27B is documented with image input; Claude Fable 5 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Qwen3.8 27B or Claude Fable 5?+

Qwen3.8 27B has the larger sourced maximum output: Qwen3.8 27B supports 131K and Claude Fable 5 supports 128K output tokens.

Do Qwen3.8 27B and Claude Fable 5 support reasoning and tool use?+

Qwen3.8 27B: reasoning, tool calling, and image input. Claude Fable 5: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Qwen3.8 27B or Claude Fable 5?+

Qwen3.8 27B has 3 sourced provider routes; Claude Fable 5 has 3, a tie.

Which offers better value, Qwen3.8 27B or Claude Fable 5?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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