ZMIME
Comparison · 2 models · Updated Oct 4, 2026

Step 3.7 Flash vs Command A Plus

Step 3.7 Flash comes out ahead, 62 to 35 on our weighted score, and it is the cheaper option too.

  1. Our pick

    StepFun

    Step 3.7 Flash

    Released May 29, 2026

    62/100
    • ECI—
    • Price$0.185 / $1.11
    • Context256K
    Full specs Remove Step 3.7 Flash

  2. Cohere

    Command A Plus

    Released May 20, 2026

    35/100
    • ECI—
    • Price$2.50 / $10.00
    • Context128K
    Full specs Remove Command A Plus

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Step 3.7 Flash is our pick

Step 3.7 Flash is the better all-round choice, scoring 62/100 against Command A Plus (35). It leads on price and 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 priceStep 3.7 FlashStep 3.7 Flash $0.416 · Command A Plus $4.38 per 1M tokens (3:1 blend)
  • Longest contextStep 3.7 FlashStep 3.7 Flash 256,000 · Command A Plus 128,000 tokens
  • Widest inputsStep 3.7 FlashStep 3.7 Flash: Text, Images, Video · Command A Plus: Text, Images
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightStep 3.7 FlashCommand A Plus
Price50%6819
Inputs & features30%7070
Context window20%3624
Overall100%62/10035/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Step 3.7 Flash vs Command A Plus specifications side by side
SpecificationStep 3.7 FlashStepFunCommand A PlusCohere
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.185 (best)$2.50
Output$1.11 (best)$10.00
Cached input$0.037—
Blended (3:1)$0.416 (best)$4.38
Long-context rateSame rateSame rate
Price sourceOfficial StepFun (Global) APIOfficial Cohere API
Limits
Context window256,000 tokens (best)128,000 tokens
Max output256,000 tokens (best)64,000 tokens
Inputs and features
TextYesYes
ImagesYesYes
PDFsNoNo
AudioNoNo
VideoYesNo
ReasoningYeslow · medium · highYes
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenOpen
API model IDstep-3.7-flashcommand-a-plus-05-2026
API providers18 (best)1
ReleasedMay 29, 2026May 20, 2026
Knowledge cutoffMar 1, 2026Apr 1, 2025
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Step 3.7 Flash$4.07
  • Command A Plus$45.00
04 — Questions

Which should you choose?

Which is better: Step 3.7 Flash or Command A Plus?

Step 3.7 Flash is the better all-round choice, scoring 62/100 against Command A Plus (35). It leads on price and 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, Step 3.7 Flash or Command A Plus?

Step 3.7 Flash is cheaper at $0.185 input / $1.11 output per million tokens (official StepFun (Global) API price). 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 $0.416 per million tokens for Step 3.7 Flash versus $4.38 for Command A Plus (11× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Step 3.7 Flash has not been scored yet and Command A Plus has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Step 3.7 Flash and Command A Plus yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.

Which has the bigger context window?

Step 3.7 Flash has the largest context window at 256,000 tokens, against 128,000 for Command A Plus. Maximum output per response: Step 3.7 Flash up to 256,000, Command A Plus up to 64,000 tokens.

Which can read images, PDFs, audio or video?

Step 3.7 Flash accepts text, images and video; Command A Plus accepts text and images. Step 3.7 Flash handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights, so you can self-host them.

Which is newer?

Step 3.7 Flash is the newest, released May 29, 2026. Command A Plus came out May 20, 2026. Knowledge cutoff: Step 3.7 Flash Mar 1, 2026, Command A Plus Apr 1, 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.

05 — Keep comparing

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