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Banja Lab / Benchmarks / Test

SCREE-0005Websites · hard

Reproduce the Banja home page hero from its screenshot

The same task, run on 27 models. Compare the outputs side by side, or open any one in a popup to inspect it.

Top result: grok-build-0.1 (default reasoning) at 93.7% composite. Lowest: claude-fable-5 at 71.1%. 27 models compared on this task.

How it ran
  • Each model was given the brief below in a fresh, isolated session with no access to our tools, and returned a single self-contained index.html (inline CSS and JS, no external requests, no build step).
  • The rendered output was scored 1 to 5 on brief fidelity, visual design, craft, and impact by a four-family vision panel - Anthropic (Claude Opus 4.8), OpenAI (GPT-5.5), Google (Gemini 3.1 Pro), and xAI (Grok 4.3) - using one identical prompt so the scores compare. The published judge score is leave-one-family-out: a model is never scored by a judge of its own family, so same-family self-preference is removed.
The brief

You are given a reference screenshot of a real marketing home page (the Banja home page hero). Reproduce it as faithfully as you can as ONE self-contained HTML file (`index.html`) that renders with no build step and no network calls (inline all CSS, no external fonts, scripts, or images). Match what the screenshot shows: - a very dark, near-black background (around #0a0a12) with a faint grid pattern, - a top bar with the word-mark "Banja" on the left (in a violet/purple accent), a centre navigation row with the links About, Services, Products, Case Studies, Lab, Contact Us, and a white rounded pill button on the right reading "Let us pitch to you", - a large centred hero heading on two lines: "WE BUILD" in white, then "PRODUCTS." in a violet-to-pink gradient (use a single <h1>), - a muted sub-heading reading: For founders who move fast. Idea to product in weeks, not months. with the phrase "Idea to product in weeks" emphasised in white, - two call-to-action buttons below: a solid white "START A PROJECT" button and an outlined "VIEW OUR WORK" button. Keep the colours, the centred layout, and the relative sizes close to the screenshot. Use plain, readable, accessible markup. The page must stay readable when the window is narrowed (responsive).

xAIgrok-build-0.1
default reasoning
grok-build-0.1 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.7%
Open
Composite 93.7%Objective 93.7%
Open outputFull run
Anthropicclaude-sonnet-5
High reasoning
claude-sonnet-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.5%
Open
Composite 93.5%Objective 93.5%
Open outputFull run
Anthropicclaude-sonnet-5
High reasoning
claude-sonnet-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.5%
Open
Composite 93.5%Objective 93.5%
Open outputFull run
Anthropicclaude-opus-4-8
Medium reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.4%
Open
Composite 93.4%Objective 93.4%
Open outputFull run
DeepSeekdeepseek-v4-pro
default reasoning
deepseek-v4-pro rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.4%
Open
Composite 93.4%Objective 93.4%
Open outputFull run
xAIgrok-4.20-reasoning
default reasoning
grok-4.20-reasoning rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.4%
Open
Composite 93.4%Objective 93.4%
Open outputFull run
Googlegemini-3.1-flash-lite
default reasoning
gemini-3.1-flash-lite rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.4%
Open
Composite 93.4%Objective 93.4%
Open outputFull run
Moonshotkimi-k2.7-code
default reasoning
kimi-k2.7-code rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.3%
Open
Composite 93.3%Objective 93.3%
Open outputFull run
xAIgrok-composer-2.5-fast
default reasoning
grok-composer-2.5-fast rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.1%
Open
Composite 93.1%Objective 93.1%
Open outputFull run
Anthropicclaude-haiku-4-5
High reasoning
claude-haiku-4-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 93.0%
Open
Composite 93.0%Objective 93.0%
Open outputFull run
Anthropicclaude-opus-4-8
High reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 92.9%
Open
Composite 92.9%Objective 92.9%
Open outputFull run
Googlegemini-3.1-pro-preview
High reasoning
gemini-3.1-pro-preview rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 92.9%
Open
Composite 92.9%Objective 92.9%
Open outputFull run
Anthropicclaude-opus-4-8
Low reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 92.8%
Open
Composite 92.8%Objective 92.8%
Open outputFull run
Anthropicclaude-opus-4-8
Max reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 92.7%
Open
Composite 92.7%Objective 92.7%
Open outputFull run
Zhipuglm-5.2
default reasoning
glm-5.2 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 92.1%
Open
Composite 92.1%Objective 92.1%
Open outputFull run
DeepSeekdeepseek-v4-flash
default reasoning
deepseek-v4-flash rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 89.0%
Open
Composite 89.0%Objective 89.0%
Open outputFull run
xAIgrok-4.3
default reasoning
grok-4.3 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 88.6%
Open
Composite 88.6%Objective 88.6%
Open outputFull run
OpenAIgpt-5.4-mini
High reasoning
gpt-5.4-mini rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 87.7%
Open
Composite 87.7%Objective 87.7%
Open outputFull run
Anthropicclaude-haiku-4-5
default reasoning
claude-haiku-4-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 83.7%
Open
Composite 83.7%Objective 83.7%
Open outputFull run
Googlegemini-3.5-flash
default reasoning
gemini-3.5-flash rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 83.5%
Open
Composite 83.5%Objective 83.5%
Open outputFull run
Anthropicclaude-fable-5
High reasoning
claude-fable-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 83.0%
Open
Composite 83.0%Objective 83.0%
Open outputFull run
Anthropicclaude-opus-4-8
Extra-high reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 83.0%
Open
Composite 83.0%Objective 83.0%
Open outputFull run
Anthropicclaude-sonnet-4-6
High reasoning
claude-sonnet-4-6 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 82.9%
Open
Composite 82.9%Objective 82.9%
Open outputFull run
Anthropicclaude-opus-4-8
High reasoning
claude-opus-4-8 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 82.8%
Open
Composite 82.8%Objective 82.8%
Open outputFull run
Anthropicclaude-sonnet-4-6
High reasoning
claude-sonnet-4-6 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 82.4%
Open
Composite 82.4%Objective 82.4%
Open outputFull run
OpenAIgpt-5.5
High reasoning
gpt-5.5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 76.9%
Open
Composite 76.9%Objective 76.9%
Open outputFull run
Anthropicclaude-fable-5
High reasoning
claude-fable-5 rendering of the Reproduce the Banja home page hero from its screenshot benchmark - composite 71.1%
Open
Composite 71.1%Objective 71.1%
Open outputFull run