Data points: 78
The readout for Gemini 2.5 Pro and GLM-5.1, before the detailed comparison sheet.
Decision read
GLM-5.1
GLM-5.1 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
78 data points
Includes 8 benchmark rows, 1 audit samples, and 10 provider examples.
Selection signal
Start with GLM-5.1
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.5 Pro vs GLM-5.1gemini-2-5-pro-vs-glm-5-1 | Model A Gemini 2.5 Pro | Model B GLM-5.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | Average speed | Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 2.5 Pro | GLM-5.1 |
|---|---|---|
| HLE | 21.1%#37 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro | GLM-5.1 |
|---|---|---|
Winner: GLM-5.1 | Gemini 2.5 Pro gemini-2.5-pro No audit yet | GLM-5.1 glm-5.1 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 2.5 Pro | GLM-5.1 |
|---|---|---|
40 tests | Gemini 2.5 Pro speed / latency 48 tok/s / 23637ms input / output No data |
This report only uses LMSpeed data for Gemini 2.5 Pro and GLM-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.5 Pro | GLM-5.1 |
|---|---|---|
| When to choose each model | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Average speed. | GLM-5.1 GLM-5.1 is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests. |
TL;DR: GLM-5.1 leads across 78 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.5 Pro vs GLM-5.1 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | Zhipu AI | |
| Context window | 1.0M tokens | No data |
| Max output | 65.5K tokens | No data |
| Released | Jun 2025 | No data |
| Modalities | Input TextImageFileAudiovideo Output Text | No data |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Gemini | No data |
| Knowledge cutoff | 2025-01-31 | No data |
| OpenRouter ID | google/gemini-2.5-pro | No data |
| References | No data | No data |
| GPQA | 84.4%#36 | 86.8%#22 |
|---|
| SciCode | 42.8%#32 | 43.8%#26 |
|---|
| Input price | $1.25/M#30 | $1.40/M#32 |
|---|
| Time to first token | 23.08 s#97 | 0.90 s#31 |
|---|
| Output price | $10.00/M#41 | $4.40/M#33 |
|---|
| Output speed | 132.3 tok/s#36 | 71.0 tok/s#72 |
|---|
| Blended price | $3.44/M#58 | $2.15/M#53 |
|---|
Audit score
78
GLM-5.1
speed / latency
54 tok/s / 12475ms
input / output
No data
OpenRouter15 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency 58 tok/s / 14051ms input / output No data |
|---|
TradingBase API10 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency 42 tok/s / 15344ms input / output No data |
|---|
素墨API10 tests | Gemini 2.5 Pro speed / latency 82 tok/s / 17042ms input / output No data | GLM-5.1 speed / latency 41 tok/s / 7764ms input / output No data |
|---|
ArkAPI (Wind Hub)5 tests | Gemini 2.5 Pro speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency 45 tok/s / 10150ms input / output No data |
|---|
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $1.13/M / $9.00/M | GLM-5.1 glm-5.1 speed / latency No data input / output $0/M / $0/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0/M / $0/M | GLM-5.1 glm-5.1-chat speed / latency No data input / output $0/M / $0/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GLM-5.1 glm-5.1 speed / latency No data input / output $0.037/M / $0.037/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | GLM-5.1 glm-5.1 speed / latency No data input / output $0.037/M / $0.037/M |
Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.014/M / $0.904/M | GLM-5.1 ZhipuAI/GLM-5.1 speed / latency No data input / output $0.0068/M / $0.0068/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
