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Comparison · 3 models · Updated Oct 4, 2026

Qwen Plus Character (Japanese) vs Step 1 (32K) vs Sonar

Qwen Plus Character (Japanese) comes out ahead, 36 to 30 and 18 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Alibaba (Qwen)

    Qwen Plus Character (Japanese)

    Released Jan 2024

    36/100
    • ECI—
    • Price$0.50 / $1.40
    • Context8K
  2. StepFun

    Step 1 (32K)

    Released Jan 1, 2025

    18/100
    • ECI—
    • Price$2.05 / $9.59
    • Context33K
  3. Perplexity

    Sonar

    Released Jan 1, 2024

    30/100
    • ECI—
    • Price$1.00 / $1.00
    • Context128K
01 — Verdict

Qwen Plus Character (Japanese) is our pick

Qwen Plus Character (Japanese) is the better all-round choice, scoring 36/100 against Sonar (30) and Step 1 (32K) (18). It leads on price. Sonar 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 priceQwen Plus Character (Japanese)Qwen Plus Character (Japanese) $0.725 · Sonar $1.00 · Step 1 (32K) $3.94 per 1M tokens (3:1 blend)
  • Longest contextSonarSonar 128,000 · Step 1 (32K) 32,768 · Qwen Plus Character (Japanese) 8,192 tokens
  • Widest inputsSame inputsQwen Plus Character (Japanese): Text · Step 1 (32K): Text · Sonar: Text
  • Self-hostingNo open weightsAll three are available only through APIs
How the score is built
MeasureWeightQwen Plus Character (Japanese)Step 1 (32K)Sonar
Price50%572250
Inputs & features30%25250
Context window20%0024
Overall100%36/10018/10030/100

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.

Qwen Plus Character (Japanese) vs Step 1 (32K) vs Sonar specifications side by side
SpecificationQwen Plus Character (Japanese)Alibaba (Qwen)Step 1 (32K)StepFunSonarPerplexity
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.50 (best)$2.05$1.00
Output$1.40$9.59$1.00 (best)
Cached input—$0.41—
Blended (3:1)$0.725 (best)$3.94$1.00
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Alibaba APIOfficial StepFun (Global) APIOfficial Perplexity API
Limits
Context window8,192 tokens32,768 tokens128,000 tokens (best)
Max output512 tokens32,768 tokens (best)4,096 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningNoNoNo
Tool callingYesYesNo
Structured outputNoNoNo
Availability
WeightsProprietaryProprietaryProprietary
API model IDqwen-plus-character-jastep-1-32ksonar
API providers116 (best)
ReleasedJan 2024Jan 1, 2025Jan 1, 2024
Knowledge cutoffApr 2024Jun 2024Sep 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.

  • Qwen Plus Character (Japanese)$7.80
  • Step 1 (32K)$39.68
  • Sonar$12.00
04 — Questions

Which should you choose?

Which is better: Qwen Plus Character (Japanese), Step 1 (32K) or Sonar?

Qwen Plus Character (Japanese) is the better all-round choice, scoring 36/100 against Sonar (30) and Step 1 (32K) (18). It leads on price. Sonar 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, Qwen Plus Character (Japanese), Step 1 (32K) or Sonar?

Qwen Plus Character (Japanese) is cheaper at $0.50 input / $1.40 output per million tokens (official Alibaba API price). Sonar costs $1.00 input / $1.00 output per million tokens (official Perplexity API price); Step 1 (32K) costs $2.05 input / $9.59 output per million tokens (official StepFun (Global) API price). At a typical mix of three input tokens to one output token, that is $0.725 per million tokens for Qwen Plus Character (Japanese) versus $1.00 for Sonar (1.4× as much) and $3.94 for Step 1 (32K) (5.4× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Qwen Plus Character (Japanese) has not been scored yet, Step 1 (32K) has not been scored yet and Sonar has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Qwen Plus Character (Japanese), Step 1 (32K) and Sonar yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Sonar does not support tool calling, which most coding agents need.

Which has the bigger context window?

Sonar has the largest context window at 128,000 tokens, against 32,768 for Step 1 (32K) and 8,192 for Qwen Plus Character (Japanese). Maximum output per response: Qwen Plus Character (Japanese) up to 512, Step 1 (32K) up to 32,768, Sonar up to 4,096 tokens.

Which can read images, PDFs, audio or video?

Qwen Plus Character (Japanese) accepts text; Step 1 (32K) accepts text; Sonar accepts text. They handle the same number of input types.

Are any of these open source?

No. Qwen Plus Character (Japanese), Step 1 (32K) and Sonar are proprietary and only available through APIs and apps.

Which is newer?

Step 1 (32K) is the newest, released Jan 1, 2025. Qwen Plus Character (Japanese) came out Jan 2024; Sonar came out Jan 1, 2024. Knowledge cutoff: Qwen Plus Character (Japanese) Apr 2024, Step 1 (32K) Jun 2024, Sonar Sep 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.