Data points: 52
The readout for DeepSeek Chat V3.1 and Kimi K2, before the detailed comparison sheet.
Decision read
Kimi K2
Kimi K2 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
52 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with Kimi K2
The charts below split 5 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 DeepSeek Chat V3.1 vs Kimi K2deepseek-chat-v3-1-vs-kimi-k2 | Model A DeepSeek Chat V3.1 | Model B Kimi K2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | First-token latency | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
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 Chat V3.1
-
Avg. score
Kimi K2
57.2
Selected category
Agents
Kimi K2
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 Chat V3.1 | Kimi K2 |
|---|---|---|
| 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 | DeepSeek Chat V3.1 | Kimi K2 |
|---|---|---|
45 tests | DeepSeek Chat V3.1 speed / latency 34 tok/s / 1439ms input / output No data |
This report only uses LMSpeed data for DeepSeek Chat V3.1 and Kimi K2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek Chat V3.1 | Kimi K2 |
|---|---|---|
| When to choose each model | DeepSeek Chat V3.1 DeepSeek Chat V3.1 is stronger when you prioritize First-token latency. | Kimi K2 Kimi K2 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: Kimi K2 leads across 52 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek Chat V3.1 vs Kimi K2 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | DeepSeek Chat V3.1 exposes 163.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | Kimi K2 exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | DeepSeek | Moonshot AI |
| Context window | 163.8K tokens | 262.1K tokens |
| Max output | 32.8K tokens | 262.1K tokens |
| Released | Aug 2025 | Sep 2025 |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | Other |
| Knowledge cutoff | 2025-03-31 | 2024-12-31 |
| OpenRouter ID | deepseek/deepseek-chat-v3.1 | moonshotai/kimi-k2-0905 |
| References | No data | No data |
Kimi K2
speed / latency
34 tok/s / 2584ms
input / output
No data
OpenRouter10 tests | DeepSeek Chat V3.1 speed / latency 18 tok/s / 2318ms input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
|---|
91VIP0 tests | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | DeepSeek Chat V3.1 deepseek/deepseek-chat-v3.1 speed / latency N/A / N/A input / output $0.300/M / $1.50/M | Kimi K2 moonshotai/kimi-k2-0905:exacto speed / latency N/A / N/A input / output $1.20/M / $5.00/M |
|---|
Futureppo0 tests | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data | Kimi K2 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
