Data points: 55
The readout for Claude Sonnet 4 and GLM-4 Long, before the detailed comparison sheet.
Decision read
Claude Sonnet 4
Claude Sonnet 4 currently has the stronger profile, with verified wins split 2 to 1.
Evidence depth
55 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with Claude Sonnet 4
The charts below split 6 high-signal samples across speed, scores, and audit health.
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Model compare Claude Sonnet 4 vs GLM-4 Longclaude-sonnet-4-vs-glm-4-long | Model A Claude Sonnet 4 | Model B GLM-4 Long |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 2 wins | 1 wins |
| Where it leads | Provider coverage, Recent tests | Cheapest input price |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Sonnet 4
51.7
Avg. score
GLM-4 Long
-
Selected category
Agents
Claude Sonnet 4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4 | GLM-4 Long |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Sonnet 4 | GLM-4 Long |
|---|---|---|
0 tests | Claude Sonnet 4 speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Claude Sonnet 4 and GLM-4 Long: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4 | GLM-4 Long |
|---|---|---|
| When to choose each model | Claude Sonnet 4 Claude Sonnet 4 is stronger when you prioritize Provider coverage, Recent tests. | GLM-4 Long GLM-4 Long is stronger when you prioritize Cheapest input price. |
TL;DR: Claude Sonnet 4 leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4 vs GLM-4 Long into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Claude Sonnet 4 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 | 64K tokens | No data |
| Released | May 2025 | No data |
| Modalities | Input ImageTextFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | 2025-01-31 | No data |
| OpenRouter ID | anthropic/claude-sonnet-4 | No data |
| References | No data | No data |
GLM-4 Long
speed / latency
N/A / N/A
input / output
No data
CaMeL AI0 tests | Claude Sonnet 4 speed / latency N/A / N/A input / output No data | GLM-4 Long speed / latency N/A / N/A input / output No data |
|---|
Crond0 tests | Claude Sonnet 4 speed / latency N/A / N/A input / output No data | GLM-4 Long speed / latency N/A / N/A input / output No data |
|---|
DMXAPI0 tests | Claude Sonnet 4 speed / latency N/A / N/A input / output No data | GLM-4 Long speed / latency N/A / N/A input / output No data |
|---|
EasyMore0 tests | Claude Sonnet 4 speed / latency N/A / N/A input / output No data | GLM-4 Long speed / latency N/A / N/A input / output No data |
|---|
Claude Sonnet 4 anthropic/claude-4-sonnet-20250522 speed / latency No data input / output $75.00/M / $75.00/M | GLM-4 Long glm-4-long speed / latency No data input / output $0.0002/M / $0.0002/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.