[::] Agentic Stacks

Claude Opus 4.8 vs Qwen 3 Max

Pick two tools from the same category to compare side-by-side.

Claude Opus 4.8
Anthropic's Opus-tier model (May 2026) with improved coding, agentic, and honesty behavior over Opus 4.7.
Qwen 3 Max
Alibaba's open-weights frontier model; very strong on Chinese + code.
Category modelmodel
Vendor type commercialopen source
Pricing usagefree
Strengths
  • + Vendor-reported gains on coding and agentic benchmarks (Terminal-Bench 2.1, 84% on Online-Mind2Web)
  • + Improved honesty; more likely to acknowledge missing information and flag flaws in its own code
  • + Standard pricing unchanged from Opus 4.7 ($5 input / $25 output per million tokens), with a cheaper fast mode than before
  • + Open weights
  • + Best-in-class for Chinese-language workloads
  • + Strong on coding benchmarks
Tradeoffs
  • − Superseded as Anthropic's top model by Claude Fable 5 (June 2026) for the most demanding long-horizon work
  • − API-only commercial model; no open weights
  • − Inference infra is the team's problem
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