Data points: 78
The readout for Claude Opus 4.6 and Qwen3.5 Flash, before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
78 data points
Includes 0 benchmark rows, 3 audit samples, and 8 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 11 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Qwen3.5 Flashclaude-opus-4-6-vs-qwen3-5-flash | Model A Claude Opus 4.6 | Model B Qwen3.5 Flash |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests | Average speed |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Qwen3.5 Flash exposes 1M tokens; notable signals: Text input, Image input, Text output, Tool calling. |
| Developer | Anthropic | No data |
| Context window | 1M tokens | 1M tokens |
| Max output | 128K tokens | 65.5K tokens |
| Released | Apr 2026 | Feb 2026 |
| Modalities | Input TextImageFile Output Text | Input TextImagevideo Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | Qwen3 |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | qwen/qwen3.5-flash-02-23 |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | Qwen3.5 Flash |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Qwen3.5 Flash |
|---|---|---|
小水管 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 84 728480100 | Qwen3.5 Flash qwen3.5-flash No audit yet |
Omini ApiWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 78 70728088 | Qwen3.5 Flash qwen3.5-flash No audit yet |
RenRen APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 78 70728088 | Qwen3.5 Flash qwen3.5-flash No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | Qwen3.5 Flash |
|---|---|---|
钠 API20 tests | Claude Opus 4.6 speed / latency 42 tok/s / 2282ms input / output No data | Qwen3.5 Flash speed / latency N/A / N/A input / output No data |
6i2 API5 tests | Claude Opus 4.6 speed / latency 280 tok/s / 3242ms input / output No data | Qwen3.5 Flash speed / latency N/A / N/A input / output No data |
AI Claw API5 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Qwen3.5 Flash speed / latency 136 tok/s / 3385ms input / output No data |
Cuz AI5 tests | Claude Opus 4.6 speed / latency 43 tok/s / 2285ms input / output No data | Qwen3.5 Flash speed / latency N/A / N/A input / output No data |
EasyMore5 tests | Claude Opus 4.6 speed / latency 27 tok/s / 15402ms input / output No data | Qwen3.5 Flash speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M / $0/M | Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4-6-thinking speed / latency No data input / output $0.342/M / $1.71/M | Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0.012/M / $0.118/M | |
Claude Opus 4.6 claude-opus-4-6-thinking speed / latency No data input / output $0.685/M / $3.42/M | Qwen3.5 Flash qwen3.5-flash speed / latency No data input / output $0.024/M / $0.236/M |
This report only uses LMSpeed data for Claude Opus 4.6 and Qwen3.5 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Qwen3.5 Flash |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests. | Qwen3.5 Flash Qwen3.5 Flash is stronger when you prioritize Average speed. |
TL;DR: Claude Opus 4.6 leads across 78 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Qwen3.5 Flash into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
