Antigravity CLI vs. Devin Fusion CLI

Name: Coding Agent Index
Creator: Artificial Analysis
License: https://artificialanalysis.ai/docs/legal/Terms-of-Use.pdf

Comparison between Antigravity CLI and Devin Fusion CLI across the Artificial Analysis Coding Agent Index, including benchmark scores, cost, execution time, and token usage.

For details relating to our methodology, see our methodology page.

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Coding Agent Index

Artificial Analysis Coding Agent Index v2.0 · Higher is better

No publicly available API

Time per Task

Average agent wall time per task · Lower is better

No publicly available API

Cost per Task

Average API cost per task (USD) · Lower is better

No publicly available API

Comparison

Side-by-side comparison of Antigravity CLI and Devin Fusion CLI.

Coding Agent Comparison

Metric	Antigravity CLI Gemini 4 Carbon (High)	Devin Fusion CLI Claude Opus 5.5 Max + GPT-6 Luna High	Analysis
Agent Harness	Antigravity CLI	Devin Fusion CLI
Representative Model	Gemini 4 Carbon (High)	Claude Opus 5.5 Max + GPT-6 Luna High
Coding Agent Index	59	62	Devin Fusion CLI has a higher Coding Agent Index than Antigravity CLI
FrontierCode v1.1	51	54	Devin Fusion CLI has a higher FrontierCode v1.1 score than Antigravity CLI
Terminal-Bench 4.0	64	63	Antigravity CLI has a higher Terminal-Bench 4.0 score than Devin Fusion CLI
SWE-Atlas-QnA-AA	64	68	Devin Fusion CLI has a higher SWE-Atlas-QnA-AA score than Antigravity CLI
Cost per Task	$7.74	$8.00	Antigravity CLI has a lower cost per task than Devin Fusion CLI
Time per Task	29.8m	51.1m	Antigravity CLI has a lower time per task than Devin Fusion CLI
Turns per Task	177.8	99.5	Devin Fusion CLI has a lower turns per task than Antigravity CLI
Token Usage per Task	12.5M	10.5M	Devin Fusion CLI has a lower token usage per task than Antigravity CLI
Cache Hit Rate	95%	87%	Antigravity CLI has a higher cache hit rate than Devin Fusion CLI

Model Variants

Evaluated model variants for Antigravity CLI and Devin Fusion CLI.

Model Variants


Antigravity CLI	Gemini 4 Carbon (High)	high	59	51	64	64	$7.74	29.8m	12.5M
Antigravity CLI	Gemini 4 Argon (High)	high	53	49	56	55	$11.73	34.7m	13.9M
Devin Fusion CLI	Claude Opus 5.5 Max + GPT-6 Luna High	-	62	54	63	68	$8.00	51.1m	10.5M
Devin Fusion CLI	Claude Fable 5.1 XHigh + SWE-2 Medium	-	59	52	56	68	$8.20	37.6m	9.81M
Devin Fusion CLI	GPT-6 Astra XHigh + SWE-2 Medium	-	53	49	50	60	$4.34	21.2m	3.63M

Performance

Performance across the Artificial Analysis Coding Agent Index.

Artificial Analysis Coding Agent Index

Artificial Analysis Coding Agent Index v2.0 incorporates 3 benchmarks: FrontierCode v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA-AA · Higher is better

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Not publicly available

The Artificial Analysis Coding Agent Index is a composite score built from FrontierCode v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA-AA.

It is useful for quick comparison, but it should be read alongside the per-eval breakdowns. Two agents with similar index values can still have different strengths across repository tasks, terminal workflows, and rubric-based evaluations.

Artificial Analysis Coding Agent Index vs. Cost per Task

Artificial Analysis Coding Agent Index vs. average pay-per-token API cost per task (USD)

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Most attractive quadrant

Pareto line

Each point represents a coding-agent variant. Farther left means lower average cost per task, while higher on the chart means higher benchmark performance. The most efficient agents sit toward the upper-left: stronger results at lower cost.

Token Usage

Token consumption across the Artificial Analysis Coding Agent Index.

Token Usage per Task

Average input, cache, and output tokens per task

Prompt cache hit rates can vary significantly by provider routing, which can materially change effective cost.

Non-cached input tokens sent to the model, including prompts, instructions, tool context, and task context that were not served from prompt cache.

Artificial Analysis Coding Agent Index vs. Total Tokens

Artificial Analysis Coding Agent Index vs. average total tokens per task

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Most attractive quadrant

Each point represents a coding-agent variant. Farther left means lower average total token usage per task, while higher on the chart means higher benchmark performance. Agents toward the upper-left achieve stronger results with fewer tokens.

Cost

Pay-per-token API cost across the Artificial Analysis Coding Agent Index, based on current per-token pricing.

Cost per Task

Average pay-per-token API cost per task (USD) · Lower is better

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Not publicly available

This chart shows the average pay-per-token API cost per task across the Artificial Analysis Coding Agent Index, spanning FrontierCode v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA-AA.

Where applicable, that cost model includes standard input pricing, discounted cached-input pricing, separate cache-write charges, and output pricing rather than treating all prompt tokens as if they were billed at the same uncached input rate.

It is intended to show pay-per-token API cost, not consumer plan pricing or the full operational cost of deploying the system in production. Infrastructure, engineering, and supervision costs are not the focus of this metric.

Execution Time

Active agent runtime across the Artificial Analysis Coding Agent Index.

Time per Task

Average agent wall time per task · Lower is better

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Not publicly available

This chart uses agent wall time: how long the agent process was actively running on each task.

It does not include environment startup, verifier or judge time, or other harness overhead, so it is a cleaner comparison of how long the agent itself was working.

Artificial Analysis Coding Agent Index vs. Execution Time

Artificial Analysis Coding Agent Index vs. average agent wall time per task

Color by

Most attractive quadrant

Each point represents a coding-agent variant. Farther left means shorter average agent runtime per task, while higher on the chart means higher benchmark performance. Agents toward the upper-left deliver stronger results in less active agent time.

Antigravity CLI vs. Devin Fusion CLI

Coding Agent Index

Time per Task

Cost per Task

Comparison

Coding Agent Comparison

Model Variants

Model Variants

Performance

Artificial Analysis Coding Agent Index

What This Metric Means

Artificial Analysis Coding Agent Index vs. Cost per Task

How to Read This Chart

Token Usage

Token Usage per Task

Input Tokens

Artificial Analysis Coding Agent Index vs. Total Tokens

How to Read This Chart

Cost

Cost per Task

What Cost Is Measuring

Execution Time

Time per Task

What Execution Time Is Measuring

Artificial Analysis Coding Agent Index vs. Execution Time

How to Read This Chart