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Claude Opus 4.8 (Fast) vs Qwen3 30B A3B

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.8 (Fast) and Qwen3 30B A3B.

Anthropic

Claude Opus 4.8 (Fast)

Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

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Alibaba

Qwen3 30B A3B

Qwen3, the latest generation in the Qwen large language model series, features both dense and mixture-of-experts (MoE) architectures to excel in reasoning, multilingual support, and advanced agent tasks. Its unique...

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Technical Specifications

SpecificationClaude Opus 4.8 (Fast)Qwen3 30B A3B
ProviderAnthropicAlibaba
Context Window1,000,000 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-05-272025-04-28

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4.8 (Fast)

$10.00

Qwen3 30B A3B

$0.12

Output Price per Million Tokens

Claude Opus 4.8 (Fast)

$50.00

Qwen3 30B A3B

$0.50

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

Claude Opus 4.8 (Fast) Quirks & Gotchas

No developer gotchas reported.

Qwen3 30B A3B Quirks & Gotchas

No developer gotchas reported.