Command A Plus vs Claude Opus 4.8 vs Kimi K2.7 Code Highspeed
Kimi K2.7 Code Highspeed comes out ahead, 44 to 37 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
AnthropicClaude Opus 4.8
37/100- ECI158.3
- Price$5.00 / $25.00
- Context1M
- Our pick
Moonshot AIKimi K2.7 Code Highspeed
44/100- ECI—
- Price$1.90 / $8.00
- Context262K
Kimi K2.7 Code Highspeed is our pick
Kimi K2.7 Code Highspeed is the better all-round choice, scoring 44/100 against Claude Opus 4.8 (37) and Command A Plus (35). It leads on price. Claude Opus 4.8 wins on context window. 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 priceKimi K2.7 Code HighspeedKimi K2.7 Code Highspeed $3.42 · Command A Plus $4.38 · Claude Opus 4.8 $10.00 per 1M tokens (3:1 blend)
- Longest contextClaude Opus 4.8Claude Opus 4.8 1,000,000 · Kimi K2.7 Code Highspeed 262,144 · Command A Plus 128,000 tokens
- Widest inputsClaude Opus 4.8 and Kimi K2.7 Code HighspeedCommand A Plus: Text, Images · Claude Opus 4.8: Text, Images, PDFs · Kimi K2.7 Code Highspeed: Text, Images, Video
- Self-hostingCommand A Plus and Kimi K2.7 Code HighspeedPublishes downloadable weights
| Measure | Weight | Command A Plus | Claude Opus 4.8 | Kimi K2.7 Code Highspeed |
|---|---|---|---|---|
| Price | 50% | 19 | 2 | 25 |
| Inputs & features | 30% | 70 | 80 | 80 |
| Context window | 20% | 24 | 60 | 37 |
| Overall | 100% | 35/100 | 37/100 | 44/100 |
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 | Claude Opus 4.8Anthropic | Kimi K2.7 Code HighspeedMoonshot AI |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | 158.3 | — |
| ECI rank | — | #12 of 148 | — |
| GPQA DiamondGraduate-level science questions | — | 91.0% | — |
| FrontierMath Tiers 1–3Research-level mathematics | — | 80.0% | — |
| OTIS Mock AIME 2024–2025Competition mathematics | — | 98.3% | — |
| SimpleQA VerifiedShort factual questions | — | 53.0% | — |
| Price per million tokens | |||
| Input | $2.50 | $5.00 | $1.90 (best) |
| Output | $10.00 | $25.00 | $8.00 (best) |
| Cached input | — | $0.50 | — |
| Blended (3:1) | $4.38 | $10.00 | $3.42 (best) |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Official Cohere API | Official Anthropic API | Median of 11 providers |
| Limits | |||
| Context window | 128,000 tokens | 1,000,000 tokens (best) | 262,144 tokens |
| Max output | 64,000 tokens | 128,000 tokens | 262,144 tokens (best) |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | Yes | Yes | Yes |
| PDFs | No | Yes | No |
| Audio | No | No | No |
| Video | No | No | Yes |
| Reasoning | Yes | Yeslow · medium · high · xhigh · max | Yes |
| Tool calling | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Availability | |||
| Weights | Open | Proprietary | Open |
| API model ID | command-a-plus-05-2026 | claude-opus-4-8 | — |
| API providers | 1 | 45 (best) | 11 |
| Released | May 20, 2026 | May 28, 2026 | Jun 12, 2026 |
| Knowledge cutoff | Apr 1, 2025 | Jan 2026 | 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
- Claude Opus 4.8$100.00
- Kimi K2.7 Code Highspeed$35.00
Which should you choose?
Which is better: Command A Plus, Claude Opus 4.8 or Kimi K2.7 Code Highspeed?
Kimi K2.7 Code Highspeed is the better all-round choice, scoring 44/100 against Claude Opus 4.8 (37) and Command A Plus (35). It leads on price. Claude Opus 4.8 wins on context window. 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, Claude Opus 4.8 or Kimi K2.7 Code Highspeed?
Kimi K2.7 Code Highspeed is cheaper at $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); Claude Opus 4.8 costs $5.00 input / $25.00 output per million tokens (official Anthropic API price). At a typical mix of three input tokens to one output token, that is $3.42 per million tokens for Kimi K2.7 Code Highspeed versus $4.38 for Command A Plus (1.3× as much) and $10.00 for Claude Opus 4.8 (2.9× 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, Claude Opus 4.8 has an ECI of 158.3 and Kimi K2.7 Code Highspeed has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Command A Plus, Claude Opus 4.8 and Kimi K2.7 Code Highspeed 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?
Claude Opus 4.8 has the largest context window at 1,000,000 tokens, against 262,144 for Kimi K2.7 Code Highspeed and 128,000 for Command A Plus. Maximum output per response: Command A Plus up to 64,000, Claude Opus 4.8 up to 128,000, Kimi K2.7 Code Highspeed up to 262,144 tokens.
Which can read images, PDFs, audio or video?
Command A Plus accepts text and images; Claude Opus 4.8 accepts text, images and PDFs; Kimi K2.7 Code Highspeed accepts text, images and video. Claude Opus 4.8 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; Claude Opus 4.8 is proprietary.
Which is newer?
Kimi K2.7 Code Highspeed is the newest, released Jun 12, 2026. Claude Opus 4.8 came out May 28, 2026; Command A Plus came out May 20, 2026. Knowledge cutoff: Command A Plus Apr 1, 2025, Claude Opus 4.8 Jan 2026, 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.
