Claude Mythos 5 vs
Qwen3.8-27B

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
Supported evidence
Published context
262,000

Key implications

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

  1. On Overall, Claude Mythos 5 has a higher supported BenchLM score (83.4 vs 72.51).
  2. On Agentic, Claude Mythos 5 has a higher supported BenchLM score (75.79 vs 70.34).
  3. Context window: Claude Mythos 5 has the larger published context window (1,000,000 tokens vs 262,000 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 · Qwen3.8-27B: 70.34
  • CodingClaude Mythos 5: 81.66 · Qwen3.8-27B: 64.7
  • InstructionFollowingClaude Mythos 5: Unavailable · Qwen3.8-27B: 88.1
  • KnowledgeClaude Mythos 5: 97.4 · Qwen3.8-27B: 44.8
  • MultimodalGroundedClaude Mythos 5: 84.8 · Qwen3.8-27B: 76.5
  • OverallClaude Mythos 5: 83.4 · Qwen3.8-27B: 72.51

Source metrics

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

Source metric comparison
MetricUnitClaude Mythos 5Qwen3.8-27B
Agenticscore75.7970.34
Codingscore81.6664.7
InstructionFollowingscoreUnavailable88.1
Knowledgescore97.444.8
MultimodalGroundedscore84.876.5
Overallscore83.472.51

Agentic

Unit
score
Claude Mythos 5
75.79
Qwen3.8-27B
70.34

Coding

Unit
score
Claude Mythos 5
81.66
Qwen3.8-27B
64.7

InstructionFollowing

Unit
score
Claude Mythos 5
Unavailable
Qwen3.8-27B
88.1

Knowledge

Unit
score
Claude Mythos 5
97.4
Qwen3.8-27B
44.8

MultimodalGrounded

Unit
score
Claude Mythos 5
84.8
Qwen3.8-27B
76.5

Overall

Unit
score
Claude Mythos 5
83.4
Qwen3.8-27B
72.51

Pricing and context

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

Route pricing and context comparison
FieldUnitClaude Mythos 5Qwen3.8-27B
Input API priceUSD / 1M tokens$10Not verified
Cached input API priceUSD / 1M tokens$1Not verified
Output API priceUSD / 1M tokens$50Not verified
Route contexttokens1,000,000Not verified
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Mythos 5
$10
Qwen3.8-27B
Not verified

Cached input API price

Unit
USD / 1M tokens
Claude Mythos 5
$1
Qwen3.8-27B
Not verified

Output API price

Unit
USD / 1M tokens
Claude Mythos 5
$50
Qwen3.8-27B
Not verified

Route context

Unit
tokens
Claude Mythos 5
1,000,000
Qwen3.8-27B
Not verified

Input modalities

Unit
published list
Claude Mythos 5
Not verified
Qwen3.8-27B
Not verified

Output modalities

Unit
published list
Claude Mythos 5
Not verified
Qwen3.8-27B
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
  • Qwen3.8-27B — source benchlm · artifact models · model qwen3-8-27b
Selected price routes
  • Claude Mythos 5 — route benchlm:claude-mythos-5 · source benchlm · provider anthropic
  • Qwen3.8-27B — Not published

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