Data points: 114
The readout for Kimi K2.5 and Mistral Medium 3.5, before the detailed comparison sheet.
Decision read
Kimi K2.5
Kimi K2.5 currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
114 data points
Includes 25 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with Kimi K2.5
The charts below split 31 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 Kimi K2.5 vs Mistral Medium 3.5kimi-k2-5-vs-mistral-medium-3-5 | Model A Kimi K2.5 | Model B Mistral Medium 3.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | 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
Kimi K2.5
66.3
Avg. score
Mistral Medium 3.5
54.2
Selected category
Multimodal
Kimi K2.5 leads by 19.8
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Kimi K2.5
winner63.0
Rank #44/127 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
62.0
Rank #48/127 · confidence 1 · eval date 2026-04-29
Kimi K2.5
1.18 s
Rank #64/139 · confidence 4
Mistral Medium 3.5
winner0.76 s
Rank #36/139 · confidence 4
Kimi K2.5
winner1.18 s
Rank #42/139 · confidence 4
Mistral Medium 3.5
22.48 s
Rank #97/139 · confidence 4
Kimi K2.5
42.3 tok/s
Rank #125/139 · confidence 4
Mistral Medium 3.5
winner92.1 tok/s
Rank #70/139 · confidence 4
Kimi K2.5
winner$0.600/M
Rank #83/167 · confidence 4
Mistral Medium 3.5
$1.50/M
Rank #124/167 · confidence 4
Kimi K2.5
winner$1.20/M
Rank #89/167 · confidence 4
Mistral Medium 3.5
$3.00/M
Rank #118/167 · confidence 4
Kimi K2.5
winner$3.00/M
Rank #89/167 · confidence 4
Mistral Medium 3.5
$7.50/M
Rank #117/167 · confidence 4
Kimi K2.5
winner65.3
Rank #40/88 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
61.0
Rank #53/88 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner78.9%
Rank #77/187 · confidence 4
Mistral Medium 3.5
74.8%
Rank #95/187 · confidence 4
Kimi K2.5
12.3%
Rank #82/186 · confidence 4
Mistral Medium 3.5
winner12.8%
Rank #79/186 · confidence 4
Kimi K2.5
winner80.1
Rank #19/100 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
70.7
Rank #41/100 · confidence 1 · eval date 2026-04-29
Kimi K2.5
76.8
Rank #22/43 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
winner77.6
Rank #19/43 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner49.0
Rank #24/95 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
39.6
Rank #60/95 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner34.8
Rank #39/86 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
33.3
Rank #47/86 · confidence 1 · eval date 2026-04-29
Kimi K2.5
39.6%
Rank #74/184 · confidence 4
Mistral Medium 3.5
39.6%
Rank #74/184 · confidence 4
Kimi K2.5
winner29.4
Rank #28/95 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
12.8
Rank #65/95 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner87.9
Rank #30/95 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
74.8
Rank #70/95 · confidence 1 · eval date 2026-04-29
Kimi K2.5
64.6
Rank #59/89 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
winner82.0
Rank #35/89 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner38.1
Rank #35/98 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
29.9
Rank #57/98 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner34.3
Rank #36/89 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
25.1
Rank #56/89 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner75.4
Rank #25/57 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
64.9
Rank #45/57 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner70.2
Rank #38/87 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
68.8
Rank #42/87 · confidence 1 · eval date 2026-04-29
Kimi K2.5
65.7
Rank #8/9 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
winner91.4
Rank #1/9 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner95.9
Rank #10/85 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
94.2
Rank #22/85 · confidence 1 · eval date 2026-04-29
Kimi K2.5
winner45.9
Rank #30/50 · confidence 4 · eval date 2026-02-01
Mistral Medium 3.5
39.1
Rank #40/50 · confidence 1 · eval date 2026-04-29
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Kimi K2.5 | 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 | Kimi K2.5 | Mistral Medium 3.5 |
|---|---|---|
25 tests | Kimi K2.5 speed / latency 48 tok/s / 18528ms input / output No data |
This report only uses LMSpeed data for Kimi K2.5 and Mistral Medium 3.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Kimi K2.5 | Mistral Medium 3.5 |
|---|---|---|
| When to choose each model | Kimi K2.5 Kimi K2.5 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. | Mistral Medium 3.5 Mistral Medium 3.5 is stronger when you prioritize First-token latency. |
TL;DR: Kimi K2.5 leads across 114 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Kimi K2.5 vs Mistral Medium 3.5 into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Kimi K2.5 exposes 262.1K tokens; notable signals: Text input, Image input, Text output, Tool calling. | Mistral Medium 3.5 exposes 262.1K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | MoonshotAI | Mistral |
| Context window | 262.1K tokens | 262.1K tokens |
| Max output | 262.1K tokens | No data |
| Released | Jan 2026 | Apr 2026 |
| Modalities | Input TextImage Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Other | Mistral |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | moonshotai/kimi-k2.5 | mistralai/mistral-medium-3-5 |
| References | No data | No data |
Mistral Medium 3.5
speed / latency
47 tok/s / 10396ms
input / output
No data
91VIP0 tests | Kimi K2.5 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 | Kimi K2.5 moonshotai/kimi-k2.5 speed / latency N/A / N/A input / output $0.025/M/$0.156/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 | Kimi K2.5 speed / latency N/A / N/A input / output No data | Mistral Medium 3.5 speed / latency N/A / N/A input / output No data |
|---|
Koyeb AI Gateway0 tests | Kimi K2.5 speed / latency N/A / N/A input / output No data | Mistral Medium 3.5 speed / latency N/A / N/A input / output No data |
|---|
Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.100/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.
