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Comparison · 2 models · Updated Nov 2, 2026

Hy4 preview vs Grok 4.20 (Non-Reasoning)

Grok 4.20 (Non-Reasoning) comes out ahead, 52 to 44 on our weighted score, though Hy4 preview is 20% cheaper per token.

  1. Tencent

    Hy4 preview

    Released Aug 28, 2026

    44/100
    • ECI—
    • Price$0.834 / $2.50
    • Context1.02M
  2. Our pick

    xAI

    Grok 4.20 (Non-Reasoning)

    Released Mar 9, 2026

    52/100
    • ECI—
    • Price$1.25 / $2.50
    • Context1M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Grok 4.20 (Non-Reasoning) is our pick

Grok 4.20 (Non-Reasoning) is the better all-round choice, scoring 52/100 against Hy4 preview (44). It leads on inputs & features. Hy4 preview wins 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 priceHy4 previewHy4 preview $1.25 · Grok 4.20 (Non-Reasoning) $1.56 per 1M tokens (3:1 blend)
  • Longest contextHy4 previewHy4 preview 1,024,000 · Grok 4.20 (Non-Reasoning) 1,000,000 tokens
  • Widest inputsGrok 4.20 (Non-Reasoning)Hy4 preview: Text · Grok 4.20 (Non-Reasoning): Text, Images, PDFs
  • Self-hostingHy4 previewPublishes downloadable weights
How the score is built
MeasureWeightHy4 previewGrok 4.20 (Non-Reasoning)
Price50%4339
Inputs & features30%3570
Context window20%6060
Overall100%44/10052/100

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.

Hy4 preview vs Grok 4.20 (Non-Reasoning) specifications side by side
SpecificationHy4 previewTencentGrok 4.20 (Non-Reasoning)xAI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.834 (best)$1.25
Output$2.50$2.50 (best)
Cached input$0.042 (best)$0.20
Blended (3:1)$1.25 (best)$1.56
Long-context rateSame rateOver 200K: $2.50 / $5.00
Price sourceOfficial Tencent TokenHub APIOfficial xAI API
Limits
Context window1,024,000 tokens (best)1,000,000 tokens
Max output64,000 tokens (best)30,000 tokens
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoYes
AudioNoNo
VideoNoNo
ReasoningYeshighNo
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenProprietary
API model IDhy4-previewgrok-4.20-0309-non-reasoning
API providers17 (best)13
ReleasedAug 28, 2026Mar 9, 2026
Knowledge cutoff——
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.

  • Hy4 preview$13.34
  • Grok 4.20 (Non-Reasoning)$17.50
04 — Questions

Which should you choose?

Which is better: Hy4 preview or Grok 4.20 (Non-Reasoning)?

Grok 4.20 (Non-Reasoning) is the better all-round choice, scoring 52/100 against Hy4 preview (44). It leads on inputs & features. Hy4 preview wins 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, Hy4 preview or Grok 4.20 (Non-Reasoning)?

Hy4 preview is cheaper at $0.834 input / $2.50 output per million tokens (official Tencent TokenHub API price). Grok 4.20 (Non-Reasoning) costs $1.25 input / $2.50 output per million tokens (official xAI API price). At a typical mix of three input tokens to one output token, that is $1.25 per million tokens for Hy4 preview versus $1.56 for Grok 4.20 (Non-Reasoning) (1.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Hy4 preview has not been scored yet and Grok 4.20 (Non-Reasoning) has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Hy4 preview and Grok 4.20 (Non-Reasoning) 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?

Hy4 preview has the largest context window at 1,024,000 tokens, against 1,000,000 for Grok 4.20 (Non-Reasoning). Maximum output per response: Hy4 preview up to 64,000, Grok 4.20 (Non-Reasoning) up to 30,000 tokens.

Which can read images, PDFs, audio or video?

Hy4 preview accepts text; Grok 4.20 (Non-Reasoning) accepts text, images and PDFs. Grok 4.20 (Non-Reasoning) handles the widest range of inputs.

Are any of these open source?

Hy4 preview publishes its weights and can be self-hosted; Grok 4.20 (Non-Reasoning) is proprietary.

Which is newer?

Hy4 preview is the newest, released Aug 28, 2026. Grok 4.20 (Non-Reasoning) came out Mar 9, 2026.

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 Nov 2, 2026.