Command A Plus vs Kimi K2.7 Code Highspeed vs Seed 2.1 Turbo
Seed 2.1 Turbo comes out ahead, 57 to 44 and 35 on our weighted score, and it is the cheaper option too.
CohereCommand A Plus
35/100- ECI—
- Price$2.50 / $10.00
- Context128K
Moonshot AIKimi K2.7 Code Highspeed
44/100- ECI—
- Price$1.90 / $8.00
- Context262K
- Our pick
ByteDance SeedSeed 2.1 Turbo
57/100- ECI—
- Price$0.445 / $2.23
- Context256K
Seed 2.1 Turbo is our pick
Seed 2.1 Turbo is the better all-round choice, scoring 57/100 against Kimi K2.7 Code Highspeed (44) and Command A Plus (35). It leads on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceSeed 2.1 TurboSeed 2.1 Turbo $0.891 · Kimi K2.7 Code Highspeed $3.42 · Command A Plus $4.38 per 1M tokens (3:1 blend)
- Longest contextKimi K2.7 Code HighspeedKimi K2.7 Code Highspeed 262,144 · Seed 2.1 Turbo 256,000 · Command A Plus 128,000 tokens
- Widest inputsKimi K2.7 Code Highspeed and Seed 2.1 TurboCommand A Plus: Text, Images · Kimi K2.7 Code Highspeed: Text, Images, Video · Seed 2.1 Turbo: Text, Images, Video
- Self-hostingCommand A Plus and Kimi K2.7 Code HighspeedPublishes downloadable weights
| Measure | Weight | Command A Plus | Kimi K2.7 Code Highspeed | Seed 2.1 Turbo |
|---|---|---|---|---|
| Price | 50% | 19 | 25 | 52 |
| Inputs & features | 30% | 70 | 80 | 80 |
| Context window | 20% | 24 | 37 | 36 |
| Overall | 100% | 35/100 | 44/100 | 57/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Command A PlusCohere | Kimi K2.7 Code HighspeedMoonshot AI | Seed 2.1 TurboByteDance Seed |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | $2.50 | $1.90 | $0.445 (best) |
| Output | $10.00 | $8.00 | $2.23 (best) |
| Cached input | — | — | $0.089 |
| Blended (3:1) | $4.38 | $3.42 | $0.891 (best) |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Official Cohere API | Median of 11 providers | Official Volcengine Ark API |
| Limits | |||
| Context window | 128,000 tokens | 262,144 tokens (best) | 256,000 tokens |
| Max output | 64,000 tokens | 262,144 tokens (best) | 256,000 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | Yes | Yes | Yes |
| PDFs | No | No | No |
| Audio | No | No | No |
| Video | No | Yes | Yes |
| Reasoning | Yes | Yes | Yesminimal · low · medium · high · xhigh · max |
| Tool calling | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Availability | |||
| Weights | Open | Open | Proprietary |
| API model ID | command-a-plus-05-2026 | — | doubao-seed-2-1-turbo-260628 |
| API providers | 1 | 11 (best) | 4 |
| Released | May 20, 2026 | Jun 12, 2026 | Jun 23, 2026 |
| Knowledge cutoff | Apr 1, 2025 | Jan 2025 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Command A Plus$45.00
- Kimi K2.7 Code Highspeed$35.00
- Seed 2.1 Turbo$8.91
Which should you choose?
Which is better: Command A Plus, Kimi K2.7 Code Highspeed or Seed 2.1 Turbo?
Seed 2.1 Turbo is the better all-round choice, scoring 57/100 against Kimi K2.7 Code Highspeed (44) and Command A Plus (35). It leads on price. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Command A Plus, Kimi K2.7 Code Highspeed or Seed 2.1 Turbo?
Seed 2.1 Turbo is cheaper at $0.445 input / $2.23 output per million tokens (official Volcengine Ark API price). Kimi K2.7 Code Highspeed costs $1.90 input / $8.00 output per million tokens (median across 11 API providers); Command A Plus costs $2.50 input / $10.00 output per million tokens (official Cohere API price). At a typical mix of three input tokens to one output token, that is $0.891 per million tokens for Seed 2.1 Turbo versus $3.42 for Kimi K2.7 Code Highspeed (3.8× as much) and $4.38 for Command A Plus (4.9× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Command A Plus has not been scored yet, Kimi K2.7 Code Highspeed has not been scored yet and Seed 2.1 Turbo has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Command A Plus, Kimi K2.7 Code Highspeed and Seed 2.1 Turbo yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
Kimi K2.7 Code Highspeed has the largest context window at 262,144 tokens, against 256,000 for Seed 2.1 Turbo and 128,000 for Command A Plus. Maximum output per response: Command A Plus up to 64,000, Kimi K2.7 Code Highspeed up to 262,144, Seed 2.1 Turbo up to 256,000 tokens.
Which can read images, PDFs, audio or video?
Command A Plus accepts text and images; Kimi K2.7 Code Highspeed accepts text, images and video; Seed 2.1 Turbo accepts text, images and video. Kimi K2.7 Code Highspeed handles the widest range of inputs.
Are any of these open source?
Command A Plus and Kimi K2.7 Code Highspeed publishes its weights and can be self-hosted; Seed 2.1 Turbo is proprietary.
Which is newer?
Seed 2.1 Turbo is the newest, released Jun 23, 2026. Kimi K2.7 Code Highspeed came out Jun 12, 2026; Command A Plus came out May 20, 2026. Knowledge cutoff: Command A Plus Apr 1, 2025, Kimi K2.7 Code Highspeed Jan 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
