Data points: 112
The readout for DeepSeek V4 Flash and Mistral Medium 3.5, before the detailed comparison sheet.
Decision read
DeepSeek V4 Flash
DeepSeek V4 Flash currently has the stronger profile, with verified wins split 6 to 0.
Evidence depth
112 data points
Includes 24 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with DeepSeek V4 Flash
The charts below split 30 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 V4 Flash vs Mistral Medium 3.5deepseek-v4-flash-vs-mistral-medium-3-5 | Model A DeepSeek V4 Flash | Model B Mistral Medium 3.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 6 wins | 0 wins |
| Where it leads | Cheapest input price, Average speed, First-token latency, 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 V4 Flash
71.3
Avg. score
Mistral Medium 3.5
54.2
Selected category
Multimodal
DeepSeek V4 Flash leads by 35.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V4 Flash
winner72.0
Rank #29/127 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
62.0
Rank #48/127 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner$0.280/M
Rank #6/167 · confidence 4
Mistral Medium 3.5
$7.50/M
Rank #117/167 · confidence 4
DeepSeek V4 Flash
winner$0.175/M
Rank #12/167 · confidence 4
Mistral Medium 3.5
$3.00/M
Rank #118/167 · confidence 4
DeepSeek V4 Flash
winner$0.140/M
Rank #19/167 · confidence 4
Mistral Medium 3.5
$1.50/M
Rank #124/167 · confidence 4
DeepSeek V4 Flash
winner86.7%
Rank #34/187 · confidence 4
Mistral Medium 3.5
74.8%
Rank #95/187 · confidence 4
DeepSeek V4 Flash
winner27.8%
Rank #34/186 · confidence 4
Mistral Medium 3.5
12.8%
Rank #79/186 · confidence 4
DeepSeek V4 Flash
winner63.0
Rank #50/88 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
61.0
Rank #53/88 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner79.0
Rank #14/43 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
77.6
Rank #19/43 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner80.2
Rank #18/100 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
70.7
Rank #41/100 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner56.2
Rank #19/54 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
46.9
Rank #31/54 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner35.6
Rank #37/86 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
33.3
Rank #47/86 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner44.9
Rank #38/95 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
39.6
Rank #60/95 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner42.0%
Rank #50/184 · confidence 4
Mistral Medium 3.5
39.6%
Rank #74/184 · confidence 4
DeepSeek V4 Flash
winner95.8
Rank #1/89 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
82.0
Rank #35/89 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner40.3
Rank #23/98 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
29.9
Rank #57/98 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner89.4
Rank #24/95 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
74.8
Rank #70/95 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner32.1
Rank #26/95 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
12.8
Rank #65/95 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner37.2
Rank #32/89 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
25.1
Rank #56/89 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner79.2
Rank #5/87 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
68.8
Rank #42/87 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner31.1
Rank #14/50 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
19.0
Rank #36/50 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner54.4
Rank #18/50 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
39.1
Rank #40/50 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner95.0
Rank #18/85 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
94.2
Rank #22/85 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner34.4
Rank #19/44 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
21.5
Rank #36/44 · confidence 1 · eval date 2026-04-29
DeepSeek V4 Flash
winner1188.0
Rank #20/50 · confidence 2 · eval date 2026-04-24
Mistral Medium 3.5
929.0
Rank #37/50 · confidence 1 · eval date 2026-04-29
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Flash | Mistral Medium 3.5 |
|---|---|---|
| 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 | Mistral Medium 3.5 |
|---|---|---|
55 tests | DeepSeek V4 Flash speed / latency 23 tok/s / 14357ms input / output No data |
This report only uses LMSpeed data for DeepSeek V4 Flash and Mistral Medium 3.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V4 Flash | Mistral Medium 3.5 |
|---|---|---|
| When to choose each model | DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests. | Mistral Medium 3.5 Mistral Medium 3.5 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: DeepSeek V4 Flash leads across 112 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Flash vs Mistral Medium 3.5 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. | Mistral Medium 3.5 exposes 262.1K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | DeepSeek | Mistral |
| Context window | 1.0M tokens | 262.1K tokens |
| Max output | 384K tokens | No data |
| Released | Apr 2026 | Apr 2026 |
| Modalities | Input Text Output Text | Input TextImageFile Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | Mistral |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | deepseek/deepseek-v4-flash | mistralai/mistral-medium-3-5 |
| References | No data | No data |
Mistral Medium 3.5
speed / latency
47 tok/s / 10396ms
input / output
No data
OpenRouter5 tests | DeepSeek V4 Flash speed / latency 88 tok/s / 3315ms input / output No data | Mistral Medium 3.5 speed / latency N/A / N/A input / output No data |
|---|
91VIP0 tests | DeepSeek V4 Flash speed / latency N/A / N/A input / output No data | Mistral Medium 3.5 speed / latency N/A / N/A input / output No data |
|---|
Dext API0 tests | DeepSeek V4 Flash deepseek-v4-flash speed / latency N/A / N/A input / output $0.0067/M/$0.013/M | Mistral Medium 3.5 mistralai/mistral-medium-3-5 speed / latency N/A / N/A input / output $0.123/M/$0.616/M |
|---|
Futureppo0 tests | DeepSeek V4 Flash speed / latency N/A / N/A input / output No data | Mistral Medium 3.5 speed / latency N/A / N/A input / output No data |
|---|
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/request | Mistral Medium 3.5 mistralai/mistral-medium-3.5-128b speed / latency No data input / output $0.100/request |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
