Antigravity Agent vs Grok 4.20 Multi-Agent

This comparison does not currently contain a protocol-matched coding benchmark for both Antigravity Agent and Grok 4.20 Multi-Agent, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Only Grok 4.20 Multi-Agent has a directly sourced input price: $1.25 per million tokens. Only Grok 4.20 Multi-Agent has a directly sourced output price: $2.50 per million tokens.

Antigravity Agent has the larger sourced context window. Antigravity Agent supports 1,048,576 and Grok 4.20 Multi-Agent supports 1,000,000.

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Both models have the same recorded self-hosting status: unsupported. Antigravity Agent is not marked open weight; Grok 4.20 Multi-Agent is not marked open weight.

Antigravity Agent is documented with image input; Grok 4.20 Multi-Agent is documented with image input. This reflects supported input modalities, not vision quality.

Neither has a larger sourced maximum output. Antigravity Agent is 65,536 and Grok 4.20 Multi-Agent is —.

Antigravity Agent: reasoning, tool calling, and image input. Grok 4.20 Multi-Agent: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Antigravity Agent has 1 sourced provider route; Grok 4.20 Multi-Agent has 1, a tie.

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.