Data points: 61
The readout for Claude Opus 4.6 and GLM-4 Flash, before the detailed comparison sheet.
Decision read
GLM-4 Flash
GLM-4 Flash currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
61 data points
Includes 0 benchmark rows, 1 audit samples, and 8 provider examples.
Selection signal
Start with GLM-4 Flash
The charts below split 9 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs GLM-4 Flashclaude-opus-4-6-vs-glm-4-flash | Model A Claude Opus 4.6 | Model B GLM-4 Flash |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Average speed, Provider coverage | Cheapest input price, First-token latency, Free providers, Recent tests |
| 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 | Zhipu AI |
| 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 | GLM-4 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 | GLM-4 Flash |
|---|---|---|
钠 APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 80 668470100 | GLM-4 Flash glm-4-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 | GLM-4 Flash |
|---|---|---|
N1N25 tests | Claude Opus 4.6 speed / latency 46 tok/s / 2559ms input / output No data | GLM-4 Flash speed / latency 78 tok/s / 1573ms input / output No data |
QYES AI20 tests | Claude Opus 4.6 speed / latency 50 tok/s / 4968ms input / output No data | GLM-4 Flash speed / latency 37 tok/s / 1175ms input / output No data |
钠 API20 tests | Claude Opus 4.6 claude-opus-4-6 speed / latency 42 tok/s / 2282ms input / output $0.103/M / $0.514/M | GLM-4 Flash glm-4-flash speed / latency N/A / N/A input / output $0/M / $0/M |
6345ywz API5 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | GLM-4 Flash speed / latency 16 tok/s / 4323ms input / output No data |
EasyMore5 tests | Claude Opus 4.6 speed / latency 27 tok/s / 15402ms input / output No data | GLM-4 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 $75.00/M / $375.00/M | GLM-4 Flash glm-4-flash speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4.6 speed / latency No data input / output $0/M / $0/M | GLM-4 Flash ZhipuAI/GLM-4-Flash-250414 speed / latency No data input / output $75.00/M / $75.00/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $15.00/M / $75.00/M | GLM-4 Flash glm-4-flash speed / latency No data input / output $0/M / $0/M |
This report only uses LMSpeed data for Claude Opus 4.6 and GLM-4 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | GLM-4 Flash |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Average speed, Provider coverage. | GLM-4 Flash GLM-4 Flash is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Recent tests. |
TL;DR: GLM-4 Flash leads across 61 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs GLM-4 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.