Data points: 131
The readout for Kimi K2 and Kimi K2.5, before the detailed comparison sheet.
Decision read
Kimi K2.5
Kimi K2.5 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
131 data points
Includes 32 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Kimi K2.5
The charts below split 40 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 vs Kimi K2.5kimi-k2-vs-kimi-k2-5 | Model A Kimi K2 | Model B Kimi K2.5 |
|---|---|---|
| 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
Kimi K2
57.2
Avg. score
Kimi K2.5
70.3
Selected category
Instruction following
Kimi K2.5 leads by 40.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Kimi K2
41.0
Rank #53/81 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner63.0
Rank #30/81 · confidence 4 · eval date 2026-02-01
Kimi K2
winner1.51 s
Rank #27/83 · confidence 4
Kimi K2.5
69.66 s
Rank #75/83 · confidence 4
Kimi K2
1.51 s
Rank #41/83 · confidence 4
Kimi K2.5
winner1.20 s
Rank #33/83 · confidence 4
Kimi K2
23.8 tok/s
Rank #82/83 · confidence 4
Kimi K2.5
winner43.4 tok/s
Rank #72/83 · confidence 4
Kimi K2
$0.600/M
Rank #46/96 · confidence 4
Kimi K2.5
winner$0.580/M
Rank #45/96 · confidence 4
Kimi K2
winner$2.50/M
Rank #45/96 · confidence 4
Kimi K2.5
$3.00/M
Rank #48/96 · confidence 4
Kimi K2
winner$1.07/M
Rank #46/96 · confidence 4
Kimi K2.5
$1.19/M
Rank #50/96 · confidence 4
Kimi K2
81.9%
Rank #34/74 · confidence 4
Kimi K2.5
winner87.1%
Rank #8/74 · confidence 4 · eval date 2026-02-01
Kimi K2
6.3%
Rank #69/104 · confidence 4
Kimi K2.5
winner29.4%
Rank #17/104 · confidence 4
Kimi K2
76.7%
Rank #56/104 · confidence 4
Kimi K2.5
winner87.9%
Rank #18/104 · confidence 4
Kimi K2
51.0
Rank #39/56 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner65.3
Rank #22/56 · confidence 4 · eval date 2026-02-01
Kimi K2
61.0%
Rank #31/70 · confidence 4
Kimi K2.5
winner85.0%
Rank #9/70 · confidence 4 · eval date 2026-02-01
Kimi K2
34.5
Rank #50/62 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner49.0
Rank #13/62 · confidence 4 · eval date 2026-02-01
Kimi K2
30.7%
Rank #81/102 · confidence 4
Kimi K2.5
winner49.0%
Rank #14/102 · confidence 4
Kimi K2
53.4
Rank #41/68 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner81.0
Rank #16/68 · confidence 4 · eval date 2026-02-01
Kimi K2
22.1
Rank #48/60 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner39.5
Rank #24/60 · confidence 4 · eval date 2026-02-01
Kimi K2
15.9
Rank #45/58 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner34.8
Rank #26/58 · confidence 4 · eval date 2026-02-01
Kimi K2
51.3
Rank #38/51 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner56.8
Rank #33/51 · confidence 4 · eval date 2026-02-01
Kimi K2
76.6
Rank #40/62 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner87.9
Rank #12/62 · confidence 4 · eval date 2026-02-01
Kimi K2
7.0
Rank #44/62 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner29.4
Rank #12/62 · confidence 4 · eval date 2026-02-01
Kimi K2
26.3
Rank #48/65 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner46.8
Rank #19/65 · confidence 4 · eval date 2026-02-01
Kimi K2
26.8
Rank #31/57 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner34.3
Rank #25/57 · confidence 4 · eval date 2026-02-01
Kimi K2
56.0
Rank #39/66 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner70.6
Rank #26/66 · confidence 4 · eval date 2026-02-01
Kimi K2
winner74.2
Rank #34/57 · confidence 1 · eval date 2025-07-01
Kimi K2.5
64.6
Rank #41/57 · confidence 4 · eval date 2026-02-01
Kimi K2
1096.0
Rank #39/46 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner1294.0
Rank #10/46 · confidence 4 · eval date 2026-02-01
Kimi K2
83.5
Rank #19/56 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner84.5
Rank #16/56 · confidence 4 · eval date 2026-02-01
Kimi K2
41.5
Rank #42/59 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner70.2
Rank #22/59 · confidence 4 · eval date 2026-02-01
Kimi K2
61.1
Rank #40/57 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner95.9
Rank #6/57 · confidence 4 · eval date 2026-02-01
Kimi K2
24.3
Rank #47/56 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner58.9
Rank #21/56 · confidence 4 · eval date 2026-02-01
Kimi K2
1.2
Rank #51/51 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner39.2
Rank #25/51 · confidence 4 · eval date 2026-02-01
Kimi K2
525.0
Rank #51/56 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner1284.0
Rank #25/56 · confidence 4 · eval date 2026-02-01
Kimi K2
30.2
Rank #57/68 · confidence 1 · eval date 2025-07-01
Kimi K2.5
winner45.0
Rank #41/68 · confidence 4 · eval date 2026-02-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Kimi K2 | Kimi K2.5 |
|---|---|---|
| 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 | Kimi K2.5 |
|---|---|---|
45 tests | Kimi K2 speed / latency 13 tok/s / 1927ms input / output No data |
This report only uses LMSpeed data for Kimi K2 and Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Kimi K2 | Kimi K2.5 |
|---|---|---|
| When to choose each model | Kimi K2 Kimi K2 is stronger when you prioritize First-token latency. | Kimi K2.5 Kimi K2.5 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: Kimi K2.5 leads across 131 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Kimi K2 vs Kimi K2.5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | Kimi K2 exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | Kimi K2.5 exposes 262.1K tokens; notable signals: Text input, Image input, Text output, Tool calling. |
|---|---|---|
| Developer | Moonshot AI | Moonshot AI |
| Context window | 262.1K tokens | 262.1K tokens |
| Max output | 262.1K tokens | 262.1K tokens |
| Released | Sep 2025 | Jan 2026 |
| Modalities | Input Text Output Text | Input TextImage Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON mode | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Other | Other |
| Knowledge cutoff | 2024-12-31 | No data |
| OpenRouter ID | moonshotai/kimi-k2-0905 | moonshotai/kimi-k2.5 |
| References | No data | No data |
Kimi K2.5
speed / latency
31 tok/s / 19141ms
input / output
No data
火山引擎 Ark30 tests | Kimi K2 speed / latency N/A / N/A input / output No data | Kimi K2.5 speed / latency 18 tok/s / 25450ms input / output No data |
|---|
国产大模型 API10 tests | Kimi K2 speed / latency N/A / N/A input / output No data | Kimi K2.5 speed / latency 66 tok/s / 13195ms input / output No data |
|---|
小辣椒10 tests | Kimi K2 speed / latency N/A / N/A input / output No data | Kimi K2.5 speed / latency 41 tok/s / 12428ms input / output No data |
|---|
6i2 API5 tests | Kimi K2 speed / latency N/A / N/A input / output No data | Kimi K2.5 speed / latency 357 tok/s / 10444ms input / output No data |
|---|
Kimi K2 linuxdo/kimi-k2 speed / latency No data input / output $0/M / $0/M | Kimi K2.5 官网反代/kimi-k2.5 speed / latency No data input / output $75.00/M / $75.00/M |
Kimi K2 linuxdo/kimi-k2 speed / latency No data input / output $0/M / $0/M | Kimi K2.5 官网反代/kimi-k2.5 speed / latency No data input / output $75.00/M / $75.00/M |
Kimi K2 kimi-k2-0905-tidy speed / latency No data input / output $0.010/M / $0.010/M | Kimi K2.5 moonshotai/kimi-k2.5 speed / latency No data input / output $0.010/M / $0.010/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
