Skip to main content

Model comparison

Claude 3.5 Sonnet vs Grok 4.20 Multi-agent

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
46.9/100
No comparison
0 category wins0 category wins

Public leaderboard positions: Claude 3.5 Sonnet #139 (Estimated); Grok 4.20 Multi-agent unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude 3.5 Sonnet and Grok 4.20 Multi-agent share 0 comparable benchmark results. 0 of 8 categories are comparable. 4 results are unique to Claude 3.5 Sonnet; 0 to Grok 4.20 Multi-agent.

Updated July 28, 2026
Shared results
0
Claude 3.5 Sonnet only
4
Grok 4.20 Multi-agent only
0
Comparable categories
0 / 8

Benchmark data for Claude 3.5 Sonnet and Grok 4.20 Multi-agent is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM does not have sourced benchmark coverage for Grok 4.20 Multi-agent yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Grok 4.20 Multi-agent has the larger context window at 2M, compared with 200K for Claude 3.5 Sonnet.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricClaude 3.5 SonnetGrok 4.20 Multi-agentComparison
Input / output priceUSD per 1M tokensClaude 3.5 Sonnet$3 input / $15 outputGrok 4.20 Multi-agentNot availableA complete price comparison is not available.
Generation speedtokens per secondClaude 3.5 SonnetNot availableGrok 4.20 Multi-agentNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude 3.5 SonnetNot availableGrok 4.20 Multi-agentNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude 3.5 Sonnet200KGrok 4.20 Multi-agent2MGrok 4.20 Multi-agent lists the larger context window.

Benchmark Deep Dive

Coding
BenchmarkClaude 3.5 SonnetGrok 4.20 Multi-agentResult
SWE-bench VerifiedSource 49%Not comparable
Knowledge
BenchmarkClaude 3.5 SonnetGrok 4.20 Multi-agentResult
GPQASource 59.4%Not comparable
Math
BenchmarkClaude 3.5 SonnetGrok 4.20 Multi-agentResult
FrontierMath v2 (Tiers 1-3)Source 2.069%Not comparable
FrontierMath v2 (Tier 4)Source 0.000%Not comparable
Frequently Asked Questions (3)

Can I compare Claude 3.5 Sonnet and Grok 4.20 Multi-agent on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Claude 3.5 Sonnet and Grok 4.20 Multi-agent today?

Claude 3.5 Sonnet: $3.00 input / $15.00 output per 1M tokens Grok 4.20 Multi-agent: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Last updated: July 28, 2026

Know when it’s worth switching models

The model to choose, the cheaper alternative, and the release we would wait on.

One email each week. Unsubscribe anytime.