Data points: 74
The readout for Claude Opus 4.6 and Qwen3.5 Omni 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 4 to 0.
Evidence depth
74 data points
Includes 8 benchmark rows, 1 audit samples, and 7 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Qwen3.5 Omni Flashclaude-opus-4-6-vs-qwen3-5-omni-flash | Model A Claude Opus 4.6 | Model B Qwen3.5 Omni Flash |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | No data |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
| Developer | Anthropic | No data |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Apr 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | No data |
| 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 Omni Flash |
|---|---|---|
| Output speed | 44.9 tok/s#96 | 258.1 tok/s#4 |
| Input price | $5.00/M#41 | $0.100/M#6 |
| Output price | $25.00/M#47 | $0.800/M#12 |
| Blended price | $10.00/M#68 | $0.275/M#16 |
| SciCode | 45.7%#20 | 25.5%#100 |
| Time to first answer token | 1.44 s#34 | 0.98 s#23 |
| Time to first token | 1.44 s#57 | 0.98 s#35 |
| GPQA | 84.0%#38 | 74.2%#71 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Qwen3.5 Omni Flash |
|---|---|---|
小水管 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 84 728480100 | Qwen3.5 Omni Flash qwen3.5-omni-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 Omni Flash |
|---|---|---|
小水管 API5 tests | Claude Opus 4.6 claude-opus-4-6 speed / latency 45 tok/s / 6167ms input / output $0/M / $0/M | Qwen3.5 Omni Flash qwen3.5-omni-flash speed / latency N/A / N/A input / output $0/M / $0/M |
素墨API5 tests | Claude Opus 4.6 speed / latency 47 tok/s / 2344ms input / output No data | Qwen3.5 Omni Flash speed / latency N/A / N/A input / output No data |
42公益站0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Qwen3.5 Omni Flash speed / latency N/A / N/A input / output No data |
91VIP0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Qwen3.5 Omni Flash speed / latency N/A / N/A input / output No data |
AI Claw API0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Qwen3.5 Omni 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 $0.500/M / $0.500/M | Qwen3.5 Omni Flash qwen3.5-omni-flash-2026-03-15 speed / latency No data input / output $0.050/M / $0.050/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $1.64/M / $8.22/M | Qwen3.5 Omni Flash qwen3.5-omni-flash speed / latency No data input / output $0.274/M / $0.274/M |
This report only uses LMSpeed data for Claude Opus 4.6 and Qwen3.5 Omni Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Qwen3.5 Omni Flash |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Qwen3.5 Omni Flash Qwen3.5 Omni Flash does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Opus 4.6 leads across 74 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Qwen3.5 Omni 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.