ZMIME
Comparison · 2 models · Updated Nov 2, 2026

ERNIE 4.5 VL 424B A47B vs Grok Code Fast 1

Grok Code Fast 1 comes out ahead, 48 to 44 on our weighted score, and it is the cheaper option too.

  1. Baidu

    ERNIE 4.5 VL 424B A47B

    Released Jun 30, 2025

    44/100
    • ECI—
    • Price$0.42 / $1.25
    • Context123K
    Full specs Remove ERNIE 4.5 VL 424B A47B
  2. Our pick

    xAI

    Grok Code Fast 1

    Released Sep 2, 2025

    48/100
    • ECI—
    • Price$0.20 / $1.50
    • Context256K
    Full specs Remove Grok Code Fast 1

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Grok Code Fast 1 is our pick

Grok Code Fast 1 is the better all-round choice, scoring 48/100 against ERNIE 4.5 VL 424B A47B (44). 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 priceGrok Code Fast 1Grok Code Fast 1 $0.525 · ERNIE 4.5 VL 424B A47B $0.627 per 1M tokens (3:1 blend)
  • Longest contextGrok Code Fast 1Grok Code Fast 1 256,000 · ERNIE 4.5 VL 424B A47B 123,000 tokens
  • Widest inputsERNIE 4.5 VL 424B A47B ERNIE 4.5 VL 424B A47B : Text, Images · Grok Code Fast 1: Text
  • Self-hostingERNIE 4.5 VL 424B A47B Publishes downloadable weights
How the score is built
MeasureWeightERNIE 4.5 VL 424B A47B Grok Code Fast 1
Price50%5760
Inputs & features30%3535
Context window20%2336
Overall100%44/10048/100

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.

ERNIE 4.5 VL 424B A47B vs Grok Code Fast 1 specifications side by side
SpecificationERNIE 4.5 VL 424B A47B BaiduGrok Code Fast 1xAI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.42$0.20 (best)
Output$1.25 (best)$1.50
Cached input——
Blended (3:1)$0.627$0.525 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersMedian of 5 providers
Limits
Context window123,000 tokens256,000 tokens (best)
Max output16,000 tokens (best)10,000 tokens
Inputs and features
TextYesYes
ImagesYesNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingNoYes
Structured outputNoNo
Availability
WeightsOpenProprietary
API model ID——
API providers17 (best)
ReleasedJun 30, 2025Sep 2, 2025
Knowledge cutoffMar 31, 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.

  • ERNIE 4.5 VL 424B A47B $6.70
  • Grok Code Fast 1$5.00
04 — Questions

Which should you choose?

Which is better: ERNIE 4.5 VL 424B A47B or Grok Code Fast 1?

Grok Code Fast 1 is the better all-round choice, scoring 48/100 against ERNIE 4.5 VL 424B A47B (44). 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, ERNIE 4.5 VL 424B A47B or Grok Code Fast 1?

Grok Code Fast 1 is cheaper at $0.20 input / $1.50 output per million tokens (median across 5 API providers). ERNIE 4.5 VL 424B A47B costs $0.42 input / $1.25 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.525 per million tokens for Grok Code Fast 1 versus $0.627 for ERNIE 4.5 VL 424B A47B (1.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. ERNIE 4.5 VL 424B A47B has not been scored yet and Grok Code Fast 1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for ERNIE 4.5 VL 424B A47B and Grok Code Fast 1 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that ERNIE 4.5 VL 424B A47B does not support tool calling, which most coding agents need.

Which has the bigger context window?

Grok Code Fast 1 has the largest context window at 256,000 tokens, against 123,000 for ERNIE 4.5 VL 424B A47B . Maximum output per response: ERNIE 4.5 VL 424B A47B up to 16,000, Grok Code Fast 1 up to 10,000 tokens.

Which can read images, PDFs, audio or video?

ERNIE 4.5 VL 424B A47B accepts text and images; Grok Code Fast 1 accepts text. ERNIE 4.5 VL 424B A47B handles the widest range of inputs.

Are any of these open source?

ERNIE 4.5 VL 424B A47B publishes its weights and can be self-hosted; Grok Code Fast 1 is proprietary.

Which is newer?

Grok Code Fast 1 is the newest, released Sep 2, 2025. ERNIE 4.5 VL 424B A47B came out Jun 30, 2025. Knowledge cutoff: ERNIE 4.5 VL 424B A47B Mar 31, 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 Nov 2, 2026.

05 — Keep comparing

Related comparisons