Claude Opus 4.8 (Fast) vs Qwen3 235B A22B Thinking 2507
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 235B A22B Thinking 2507.
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
Qwen3 235B A22B Thinking 2507
Qwen3-235B-A22B-Thinking-2507 is a high-performance, open-weight Mixture-of-Experts (MoE) language model optimized for complex reasoning tasks. It activates 22B of its 235B parameters per forward pass and natively supports up to 262,144...
Technical Specifications
| Specification | Claude Opus 4.8 (Fast) | Qwen3 235B A22B Thinking 2507 |
|---|---|---|
| Provider | Anthropic | Alibaba |
| Context Window | 1,000,000 tokens | 262,144 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-05-27 | 2025-07-25 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 4.8 (Fast)
$10.00
Qwen3 235B A22B Thinking 2507
$0.15
Output Price per Million Tokens
Claude Opus 4.8 (Fast)
$50.00
Qwen3 235B A22B Thinking 2507
$1.50
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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 235B A22B Thinking 2507 Quirks & Gotchas
No developer gotchas reported.