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Claude Opus 4 vs Grok 4.20 Multi-Agent

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4 and Grok 4.20 Multi-Agent.

Anthropic

Claude Opus 4

Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...

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xAI

Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

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Technical Specifications

SpecificationClaude Opus 4Grok 4.20 Multi-Agent
ProviderAnthropicxAI
Context Window200,000 tokens2,000,000 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablebeta
API AvailableYesYes
Released Date2025-05-222026-03-31

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4

$15.00

Grok 4.20 Multi-Agent

$1.25

Output Price per Million Tokens

Claude Opus 4

$75.00

Grok 4.20 Multi-Agent

$2.50

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
9050.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent
HumanEvalPython coding & logic synthesis
9300.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent
MATHComplex mathematical problem solving
8540.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent
GPQAGraduate-level expert reasoning
7230.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent
HellaSwagCommonsense reasoning and inference
9650.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent
MT-BenchMulti-turn conversation flow quality
945.0%vsN/A
Claude Opus 4
Grok 4.20 Multi-Agent

Claude Opus 4 Quirks & Gotchas

No developer gotchas reported.

Grok 4.20 Multi-Agent Quirks & Gotchas

No developer gotchas reported.