Data points: 66
The readout for Gemini 3.1 Pro and Grok 4.20 Multi Agent, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 2 to 2.
Evidence depth
66 data points
Includes 2 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Tie
The charts below split 9 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare Gemini 3.1 Pro vs Grok 4.20 Multi Agentgemini-3-1-pro-vs-grok-4-20-multi-agent | Model A Gemini 3.1 Pro | Model B Grok 4.20 Multi Agent |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 2 wins | 2 wins |
| Where it leads | Provider coverage, Recent tests | Cheapest input price, Free providers |
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
Gemini 3.1 Pro
62.1
Avg. score
Grok 4.20 Multi Agent
-
Selected category
Agents
Gemini 3.1 Pro
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.1 Pro
winner88.0
Rank #2/127 · confidence 3 · eval date 2026-02-19
Grok 4.20 Multi Agent
76.0
Rank #21/127 · confidence 1 · eval date 2026-03-10
Gemini 3.1 Pro
88.4
Rank #9/75 · confidence 3 · eval date 2026-02-19
Grok 4.20 Multi Agent
winner93.3
Rank #1/75 · confidence 1 · eval date 2026-03-10
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro | Grok 4.20 Multi Agent |
|---|---|---|
| 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 | Gemini 3.1 Pro | Grok 4.20 Multi Agent |
|---|---|---|
0 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Gemini 3.1 Pro and Grok 4.20 Multi Agent: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro | Grok 4.20 Multi Agent |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Provider coverage, Recent tests. | Grok 4.20 Multi Agent Grok 4.20 Multi Agent is stronger when you prioritize Cheapest input price, Free providers. |
TL;DR: Tie leads across 66 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro vs Grok 4.20 Multi Agent into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | Grok 4.20 Multi Agent exposes 2M tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | xAI | |
| Context window | 1.0M tokens | 2M tokens |
| Max output | 65.5K tokens | No data |
| Released | Feb 2026 | Mar 2026 |
| Modalities | Input AudioFileImageTextvideo Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Gemini | Grok |
| Knowledge cutoff | No data | 2025-09-01 |
| OpenRouter ID | google/gemini-3.1-pro-preview | x-ai/grok-4.20-multi-agent |
| References | No data | No data |
Grok 4.20 Multi Agent
speed / latency
N/A / N/A
input / output
No data
91VIP0 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
|---|
Aiberm0 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
|---|
CaMeL AI0 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
|---|
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0/M/$0/M | Grok 4.20 Multi Agent grok-4.20-multi-agent-high speed / latency No data input / output $0/M/$0/M |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0/request | Grok 4.20 Multi Agent grok-4.20-multi-agent-0309 speed / latency No data input / output $0/request |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
