Claude Mythos 5 vs
Qwen3.5 397B

Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.

Models in this comparison

Provider identity and evidence state stay balanced across the pair.

A
Model type
Proprietary
Evidence state
Supported evidence
Published context
1,000,000
VS
A
Model type
Open Weight
Evidence state
Estimated evidence
Published context
128,000

Key implications

Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.

  1. Input API price: Qwen3.5 397B has the lower verified rate ($0.6 / 1M tokens vs $10 / 1M tokens).
  2. Output API price: Qwen3.5 397B has the lower verified rate ($3.6 / 1M tokens vs $50 / 1M tokens).
  3. Context window: Claude Mythos 5 has the larger published context window (1,000,000 tokens vs 128,000 tokens).

Shared metric view

A radar is shown only when at least four compatible supported score metrics are published.

Comparable metric detail

  • AgenticClaude Mythos 5: 75.79 · Qwen3.5 397B: 47.65
  • CodingClaude Mythos 5: 81.66 · Qwen3.5 397B: 53.69
  • InstructionFollowingClaude Mythos 5: Unavailable · Qwen3.5 397B: 87.4
  • KnowledgeClaude Mythos 5: 97.4 · Qwen3.5 397B: 53.6
  • MathClaude Mythos 5: Unavailable · Qwen3.5 397B: 74.3
  • MultilingualClaude Mythos 5: Unavailable · Qwen3.5 397B: 69.7
  • MultimodalGroundedClaude Mythos 5: 84.8 · Qwen3.5 397B: 59.5
  • ReasoningClaude Mythos 5: Unavailable · Qwen3.5 397B: 65.7
  • OverallClaude Mythos 5: 83.4 · Qwen3.5 397B: 57.78

Source metrics

Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.

Source metric comparison
MetricUnitClaude Mythos 5Qwen3.5 397B
Agenticscore75.7947.65
Codingscore81.6653.69
InstructionFollowingscoreUnavailable87.4
Knowledgescore97.453.6
MathscoreUnavailable74.3
MultilingualscoreUnavailable69.7
MultimodalGroundedscore84.859.5
ReasoningscoreUnavailable65.7
Overallscore83.457.78

Agentic

Unit
score
Claude Mythos 5
75.79
Qwen3.5 397B
47.65

Coding

Unit
score
Claude Mythos 5
81.66
Qwen3.5 397B
53.69

InstructionFollowing

Unit
score
Claude Mythos 5
Unavailable
Qwen3.5 397B
87.4

Knowledge

Unit
score
Claude Mythos 5
97.4
Qwen3.5 397B
53.6

Math

Unit
score
Claude Mythos 5
Unavailable
Qwen3.5 397B
74.3

Multilingual

Unit
score
Claude Mythos 5
Unavailable
Qwen3.5 397B
69.7

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
Qwen3.5 397B
59.5

Reasoning

Unit
score
Claude Mythos 5
Unavailable
Qwen3.5 397B
65.7

Overall

Unit
score
Claude Mythos 5
83.4
Qwen3.5 397B
57.78

Pricing and context

Verification is shown beside each selected route. Missing facts remain Not verified.

Route pricing and context comparison
FieldUnitClaude Mythos 5Qwen3.5 397B
Input API priceUSD / 1M tokens$10$0.6
Cached input API priceUSD / 1M tokens$1Not verified
Output API priceUSD / 1M tokens$50$3.6
Route contexttokens1,000,000128,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Mythos 5
$10
Qwen3.5 397B
$0.6

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
Qwen3.5 397B
Not verified

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
Qwen3.5 397B
$3.6

Route context

Unit
tokens
Claude Mythos 5
1,000,000
Qwen3.5 397B
128,000

Input modalities

Unit
published list
Claude Mythos 5
Not verified
Qwen3.5 397B
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
Qwen3.5 397B
Not verified

Evidence provenance

Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.

Publication time
Aug 30, 2026, 2:15 AM UTC
Freshness
Stale — Published weekly benchmark evidence has not refreshed within 8 days.
Methodology
benchlm: benchlm_raw_composite
Model records
  • Claude Mythos 5 — source benchlm · artifact models · model claude-mythos-5
  • Qwen3.5 397B — source benchlm · artifact models · model qwen3-5-397b
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • Qwen3.5 397B — route benchlm:qwen3-5-397b · source benchlm · provider alibaba

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