Data points: 75
Model compare
The readout for DeepSeek V4 Flash and Grok 4.20 Multi Agent, before the detailed comparison sheet.
Weighted outcome: DeepSeek V4 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
DeepSeek V4 Flash
DeepSeek V4 Flash has the higher weighted result; Model A / B score 60 to 40.
Evidence depth
75 data points
Includes 0 benchmark rows, 2 audit samples, and 9 provider examples.
Selection signal
Start with DeepSeek V4 Flash
The charts below split 11 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.
This report only uses LMSpeed data for DeepSeek V4 Flash and Grok 4.20 Multi Agent: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V4 Flash | Grok 4.20 Multi Agent |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 60.0 pts | 40.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | Average speed, First-token latency |
| Context window | 1.0M tokens | 2M tokens |
| Max output | 393.2K tokens | No data |
| Modalities | Input Text Output Text | Input Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | DeepSeek V4 Flash | Grok 4.20 Multi Agent |
|---|---|---|
| Developer | DeepSeek | xAI |
| Released | Apr 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | Grok |
| Knowledge cutoff | No data | 2025-09-01 |
| OpenRouter ID | deepseek/deepseek-v4-flash | x-ai/grok-4.20-multi-agent |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V4 Flash and Grok 4.20 Multi Agent: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V4 Flash
DeepSeek V4 Flash has these operational advantages: Cheapest input price, Free providers, Provider coverage.
Grok 4.20 Multi Agent
Grok 4.20 Multi Agent has these operational advantages: Average speed, First-token latency.
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
DeepSeek V4 Flash
47.2
Avg. score
Grok 4.20 Multi Agent
-
DeepSeek V4 Flash
DeepSeek V4 Flash
DeepSeek V4 Flash
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 | DeepSeek V4 Flash | Grok 4.20 Multi Agent |
|---|---|---|
Winner: Grok 4.20 Multi Agent | DeepSeek V4 Flash deepseek-v4-flash-free No audit yet | Grok 4.20 Multi Agent grok-4.20-multi-agent-xhigh Audit score 91 7610086100 |
Winner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 83 807280100 | Grok 4.20 Multi Agent grok-4.20-multi-agent-0309 No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | DeepSeek V4 Flash | Grok 4.20 Multi Agent |
|---|---|---|
20 tests | DeepSeek V4 Flash speed / latency 83 tok/s / 5114ms input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V4 Flash speed / latency 75 tok/s / 23200ms input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V4 Flash speed / latency 143 tok/s / 1761ms input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V4 Flash speed / latency 16 tok/s / 14964ms input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
5 tests | DeepSeek V4 Flash speed / latency 106 tok/s / 2903ms input / output No data | Grok 4.20 Multi Agent speed / latency N/A / N/A input / output No data |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.012/M/$0.023/M | Grok 4.20 Multi Agent grok-4.20-multi-agent-low speed / latency No data input / output $0/M | |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0/M/$0/M | Grok 4.20 Multi Agent grok-4.20-multi-agent-xhigh speed / latency No data input / output $0/M | |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0/M/$0/M | Grok 4.20 Multi Agent grok-4.20-multi-agent-0309 speed / latency No data input / output $0.086/M | |
DeepSeek V4 Flash deepseek-v4-flash 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 |
Weighted outcome: DeepSeek V4 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputStructured outputsJSON modeReasoning |
|---|
DeepSeek V4 Flash
DeepSeek V4 Flash
No data
No data
DeepSeek V4 Flash
