Data points: 55
The readout for DeepSeek V4 Flash and Qwen1.8B Long Context, before the detailed comparison sheet.
Decision read
DeepSeek V4 Flash
DeepSeek V4 Flash currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
55 data points
Includes 0 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with DeepSeek V4 Flash
The charts below split 9 high-signal samples across speed, scores, and audit health.
Model compare DeepSeek V4 Flash vs Qwen1.8B Long Contextdeepseek-v4-flash-vs-qwen-1-8b-longcontext | Model A DeepSeek V4 Flash | Model B Qwen1.8B Long Context |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | DeepSeek V4 Flash | Qwen1.8B Long Context |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Flash | Qwen1.8B Long Context |
|---|---|---|
| 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 V4 Flash | Qwen1.8B Long Context |
|---|---|---|
20 tests | DeepSeek V4 Flash speed / latency 108 tok/s / 3324ms input / output No data |
This report only uses LMSpeed data for DeepSeek V4 Flash and Qwen1.8B Long Context: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V4 Flash | Qwen1.8B Long Context |
|---|---|---|
| When to choose each model | DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Qwen1.8B Long Context Qwen1.8B Long Context does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: DeepSeek V4 Flash leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Flash vs Qwen1.8B Long Context into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | DeepSeek V4 Flash exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | DeepSeek | Alibaba |
| Context window | 1.0M tokens | No data |
| Max output | 131.1K tokens | No data |
| Released | Apr 2026 | No data |
| Modalities | Input Text Output Text | No data |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | deepseek/deepseek-v4-flash | No data |
| References | No data | No data |
Qwen1.8B Long Context
speed / latency
N/A / N/A
input / output
No data
Fengsili API10 tests | DeepSeek V4 Flash speed / latency 86 tok/s / 4077ms input / output No data | Qwen1.8B Long Context speed / latency N/A / N/A input / output No data |
|---|
向量引擎10 tests | DeepSeek V4 Flash speed / latency 54 tok/s / 3263ms input / output No data | Qwen1.8B Long Context speed / latency N/A / N/A input / output No data |
|---|
ChooseC API5 tests | DeepSeek V4 Flash speed / latency 56 tok/s / 3926ms input / output No data | Qwen1.8B Long Context speed / latency N/A / N/A input / output No data |
|---|
DMXAPI0 tests | DeepSeek V4 Flash speed / latency N/A / N/A input / output No data | Qwen1.8B Long Context speed / latency N/A / N/A input / output No data |
|---|
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.050/M / $0.050/M | Qwen1.8B Long Context qwen-1.8b-longcontext-chat speed / latency No data input / output $0.050/M / $0.050/M |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.137/M / $0.274/M | Qwen1.8B Long Context qwen-1.8b-longcontext-chat speed / latency No data input / output $0.391/M / $0.391/M |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.137/M / $0.274/M | Qwen1.8B Long Context qwen-1.8b-longcontext-chat speed / latency No data input / output $10.27/M / $10.27/M |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.137/M / $0.274/M | Qwen1.8B Long Context qwen-1.8b-longcontext-chat speed / latency No data input / output $0.391/M / $1.96/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
