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Model comparison

Claude Fable 5 vs Qwen 3.7 Max

Anthropic against Qwen, compared on context, price, and verified benchmark results.

Catalog record checked September 3, 2026Individual provider fields may changeEvidence confidence: High — see receipts below

Anthropic

Claude Fable 5

Frontier

vs

Qwen

Qwen 3.7 Max

Frontier

AI model capability comparison
SpecificationClaude Fable 5Qwen 3.7 Max
ProviderAnthropicQwen
TierFrontierFrontier
Context window1M1M
Max output128K128K
Input / 1M tokens$10Winner: $2.50
Output / 1M tokens$50Winner: $7.50
WeightsClosedClosed
ParametersNot disclosedUnverifiedproprietary MoE
Reasoning levelsadaptivelow, high, max
Modalitiestext, imagetext, image, video
API model idclaude-fable-5qwen3.7-max
ReleasedJune 9, 2026May 20, 2026
Artificial Analysis Intelligence Index (2026-08-14)Winner: 6255

Prices are USD per million tokens at standard rates, excluding batch and caching discounts. Bold indicates the better figure where one is objectively better. Values we could not confirm from the provider are shown as “Not verified” rather than estimated.

Benchmark receipts

  • 2026-08-14: Artificial AnalysisComposite index blending reasoning, knowledge, and coding evals into one 0–100 score. Comparability: directly comparable — AA occasionally rebaselines the index scale between snapshots — a score captured on one date is only comparable to same-snapshot scores (check measuredAt).

Pricing tiers: Claude Fable 5: Standard $10/$50 per MTok; cache reads 10% of base input. Sibling Claude Mythos 5 is invite-only cyber-defense. Access briefly suspended 2026-06-12, redeployed 2026-07-01. · Qwen 3.7 Max: Model Studio list $2.50/$7.50 per MTok; a 50%-off promo ($1.25/$3.75) ran at launch. Closed API.

FrontierRecord checked September 3, 2026

Claude Fable 5

Claude Fable 5 is Anthropic's next-generation intelligence model for long-running agents, topped LiveBench until the 5.1 refresh.

Best for

  • Long-running agents
  • Frontier reasoning
  • Enterprise work

Watch out

Most expensive Anthropic tier at $10/$50; verify the cost is justified by the task.

FrontierRecord checked September 3, 2026

Qwen 3.7 Max

Qwen 3.7 Max is Alibaba's previous-generation proprietary flagship with a 1M-token context.

Best for

  • API-only multimodal
  • Long-context
  • Enterprise

Watch out

Closed/proprietary; no published weights. Succeeded by Qwen 3.8 Max.

When the cheaper one wins

Qwen 3.7 Max is cheaper on output at $7.50 per million tokens against $50 for Claude Fable 5 — about 6.7×. Use the cheaper tier for classification, extraction, summarisation, and any task where the expensive model’s extra score does not change the accepted output. The expensive one only pays if your hardest task actually fails on the cheap tier. These are standard-tier API rates, excluding batch and cache discounts.

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Evidence confidence: High

How strong and complete the evidence behind this comparison is — not a prediction of which model is better.

  • Pricing verified on both sides — Input and output rates are verified for both models.
  • 4/5 core specs verified on both sides — Not published for at least one side: parameter count.
  • 1 shared named benchmark with differing scores — Measured on: Artificial Analysis Intelligence Index.
  • Verified within the last 90 days — Newest catalog check was 8 days ago.
  • Both models carry source citations — Each side has at least two catalog sources on record.

Source receipts

Each catalog figure was checked against the provider or an independent second source on the date shown.

Related comparisons

Diving deeper on one model? Claude Fable 5 · Qwen 3.7 Max

Common questions

Claude Fable 5 vs Qwen 3.7 Max

Answered from the verified figures on this page rather than general guidance.

Is Claude Fable 5 or Qwen 3.7 Max cheaper for input?

Qwen 3.7 Max is cheaper at $2.50 per million input tokens, against $10 for Claude Fable 5 — roughly 4.0× the price. Output tokens usually dominate a real bill, so weigh the output rate more heavily than the input rate. These are base rates; Claude Fable 5 has tiered pricing: Standard $10/$50 per MTok; cache reads 10% of base input. Sibling Claude Mythos 5 is invite-only cyber-defense. Access briefly suspended 2026-06-12, redeployed 2026-07-01. Qwen 3.7 Max has tiered pricing: Model Studio list $2.50/$7.50 per MTok; a 50%-off promo ($1.25/$3.75) ran at launch. Closed API.

Is Claude Fable 5 or Qwen 3.7 Max cheaper for output?

Qwen 3.7 Max is cheaper at $7.50 per million output tokens, against $50 for Claude Fable 5 — roughly 6.7× the price. Output tokens usually dominate a real bill, so weigh the output rate more heavily than the input rate. These are base rates; Claude Fable 5 has tiered pricing: Standard $10/$50 per MTok; cache reads 10% of base input. Sibling Claude Mythos 5 is invite-only cyber-defense. Access briefly suspended 2026-06-12, redeployed 2026-07-01. Qwen 3.7 Max has tiered pricing: Model Studio list $2.50/$7.50 per MTok; a 50%-off promo ($1.25/$3.75) ran at launch. Closed API.

Which has the larger context window, Claude Fable 5 or Qwen 3.7 Max?

Both accept about 1M tokens of context, so document length will not decide between them.

Do Claude Fable 5 and Qwen 3.7 Max support the same reasoning levels?

Claude Fable 5 exposes adaptive, while Qwen 3.7 Max exposes low, high, max.

Should I use Claude Fable 5 or Qwen 3.7 Max?

Both sit in the frontier tier, so the choice usually comes down to price and context rather than capability. Claude Fable 5 suits long-running agents; Qwen 3.7 Max suits api-only multimodal.

Next step

Choosing between them

The verified figures that separate this pair, computed from the catalog rather than restated boilerplate.

  • Input price: Qwen 3.7 Max costs $2.50 per 1M tokens versus $10 for Claude Fable 5 — a 4x difference at the headline tier.
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