Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

SpaceXAI: Grok 4.20 Multi-Agent vs Llama 3.3 70B benchmark

Name: SpaceXAI: Grok 4.20 Multi-Agent vs Llama 3.3 70B AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

This page compares SpaceXAI: Grok 4.20 Multi-Agent (xAI) and Llama 3.3 70B (Meta) using the latest snapshots we have as of Aug 17, 2026. Llama 3.3 70B wins on output price at $0.32/1M. SpaceXAI: Grok 4.20 Multi-Agent has the larger context window (2M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.

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xAI

SpaceXAI: Grok 4.20 Multi-Agent

Auto-discovered from OpenRouter (x-ai/grok-4.20-multi-agent). Preview until a second source matches.

$2.5/1M out

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Instant pairwise benchmark recalculation across 400+ LLMs

Model A

Model B

Quick vs:vs Claude Opus 4.5 vs Claude Opus 4.6 vs Claude Sonnet 4.5 vs Claude 3.7 Sonnet

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

SpaceXAI: Grok 4.20 Multi-Agent (1)vsLlama 3.3 70B (8)

SpaceXAI: Grok 4.20 Multi-Agent: 1W (11%)Overall: Llama 3.3 70BLlama 3.3 70B: 8W (89%)

← SpaceXAI: Grok 4.20 Multi-AgentLlama 3.3 70B →

Llama 3.3 70B (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo

—vs1,285

Coding Elo

—vs—

SWE-bench

—vs45.1%

LiveBench

—vs49.8%

GPQA Diamond

—vs65.7%

SpaceXAI: Grok 4.20 Multi-Agent: 0WLlama 3.3 70B: 4W

Llama 3.3 70B (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

—vs140 tok/s

Time to first token

—vs160 ms

SpaceXAI: Grok 4.20 Multi-Agent: 0WLlama 3.3 70B: 2W

Llama 3.3 70B (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$2.5/1Mvs$0.32/1M

Input price

$1.25/1Mvs$0.1/1M

Context window

2Mvs131k

SpaceXAI: Grok 4.20 Multi-Agent: 1WLlama 3.3 70B: 2W

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect

Percentile 0–100

Dimensional AdvantageLlama 3.3 70B 5/6

Preference Elo

No shared data

Throughput Speed

No shared data

Token Price Efficiency

Llama 3.3 70B

$2.18/1M cheaper

Full Benchmark Score Matrix

—

Elo

High is better

—

EloHigh is better

1,285

LiveBench

High is better

—

LiveBenchHigh is better

49.8%

SWE-bench

High is better

—

SWE-benchHigh is better

45.1%

GPQA

High is better

—

GPQAHigh is better

65.7%

TTFT

Low is better

—

TTFTLow is better

160 ms

Speed

High is better

—

SpeedHigh is better

140 tok/s

In $

Low is better

$1.25 / 1M

In $Low is better

$0.10 / 1M+1150%

Out $

Low is better

$2.50 / 1M

Out $Low is better

$0.32 / 1M+681%

Context

High is better

+1426%2M

ContextHigh is better

131k

Interactive Simulator (USD)

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save up to 90% with Llama 3.3 70B

Monthly Volume50M tokens/mo

Quick Presets:

Token Ratio (In vs Out)70% In / 30% Out

RAG / Search (10% out)Coding / Chat (50% out)

SpaceXAI: Grok 4.20 Multi-Agent$81.25 / mo

In: $43.75Out: $37.5

Llama 3.3 70B$8.30 / mo

In: $3.5Out: $4.8

Estimated Cost Delta

Llama 3.3 70B is estimated to save $72.95/month ($875/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

1
Llama 3.3 70B:Pick Llama 3.3 70B when you are optimizing output cost.
2
SpaceXAI: Grok 4.20 Multi-Agent:Pick SpaceXAI: Grok 4.20 Multi-Agent for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatLlama 3.3 70B

Lower output list price ($0.32/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGSpaceXAI: Grok 4.20 Multi-Agent

Larger window (2M).

Screenshots / visionLlama 3.3 70B

Llama 3.3 70B is the side marked multimodal in the catalog.

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	insufficient data	Need SWE-bench on both sides.
High-volume chat	Llama 3.3 70B	Lower output list price ($0.32/1M).
Voice / low-latency UI	insufficient data	Need TTFT on both sides.
Long-document RAG	SpaceXAI: Grok 4.20 Multi-Agent	Larger window (2M).
Screenshots / vision	Llama 3.3 70B	Llama 3.3 70B is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news

launchDec 6, 2024

Llama 3.3 70B stays as the previous Meta 70B workhorse

Dec 2024 instruct 70B. Still a self-host baseline. Llama 4 is the 2026 buy.

Community Sentiment

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LIVE

xAI

SpaceXAI: Grok 4.20 Multi-Agent

Elo n/a

LiveBench—

SWE-bench—

Speed—

Output cost$2.5/1M

Llama 3.3 70B

Elo 1,285

LiveBench49.8%

SWE-bench45.1%

Speed140 tok/s

Output cost$0.32/1M

Frequently Asked Questions

Which is better overall, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?: We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?: SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?: Llama 3.3 70B output tokens are $0.32/1M versus $2.5/1M. Input prices and retry rates still move the real bill.
Which is faster, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?: We do not have TTFT for both models.
Which has the larger context window?: SpaceXAI: Grok 4.20 Multi-Agent accepts 2M tokens versus 131k.
Can I self-host either model?: Llama 3.3 70B is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.
Are these scores from CompareLLM’s own evals?: No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?: Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. SpaceXAI: Grok 4.20 Multi-Agent and Llama 3.3 70B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All SpaceXAI: Grok 4.20 Multi-Agent matchups →|All Llama 3.3 70B matchups →

Llama 3.3 70B vs Llama 3.1 70B (previous llama)Llama 3.3 70B vs Llama 4 Maverick (next llama)Grok 4.6 vs Llama 3.3 70B Grok 4 vs Llama 3.3 70B Llama 4 Scout vs Llama 3.3 70B Grok 3 vs Llama 3.3 70B

SpaceXAI: Grok 4.20 Multi-Agent vs Llama 3.3 70B benchmark

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

SpaceXAI: Grok 4.20 Multi-Agent (1)vsLlama 3.3 70B (8)

SpaceXAI: Grok 4.20 Multi-Agent: 1W (11%)Overall: Llama 3.3 70BLlama 3.3 70B: 8W (89%)

← SpaceXAI: Grok 4.20 Multi-AgentLlama 3.3 70B →

Llama 3.3 70B (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo

—vs1,285

Coding Elo

—vs—

SWE-bench

—vs45.1%

LiveBench

—vs49.8%

GPQA Diamond

—vs65.7%

SpaceXAI: Grok 4.20 Multi-Agent: 0WLlama 3.3 70B: 4W

Llama 3.3 70B (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

—vs140 tok/s

Time to first token

—vs160 ms

SpaceXAI: Grok 4.20 Multi-Agent: 0WLlama 3.3 70B: 2W

Llama 3.3 70B (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$2.5/1Mvs$0.32/1M

Input price

$1.25/1Mvs$0.1/1M

Context window

2Mvs131k

SpaceXAI: Grok 4.20 Multi-Agent: 1WLlama 3.3 70B: 2W

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatLlama 3.3 70B

Lower output list price ($0.32/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGSpaceXAI: Grok 4.20 Multi-Agent

Larger window (2M).

Screenshots / visionLlama 3.3 70B

Llama 3.3 70B is the side marked multimodal in the catalog.

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	insufficient data	Need SWE-bench on both sides.
High-volume chat	Llama 3.3 70B	Lower output list price ($0.32/1M).
Voice / low-latency UI	insufficient data	Need TTFT on both sides.
Long-document RAG	SpaceXAI: Grok 4.20 Multi-Agent	Larger window (2M).
Screenshots / vision	Llama 3.3 70B	Llama 3.3 70B is the side marked multimodal in the catalog.

Frequently Asked Questions

Which is better overall, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?

We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.

Which is better at coding, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?

SWE-bench is missing for at least one model, so we do not rank coding from a single number.

Which is cheaper to run in production?

Llama 3.3 70B output tokens are $0.32/1M versus $2.5/1M. Input prices and retry rates still move the real bill.

Which is faster, SpaceXAI: Grok 4.20 Multi-Agent or Llama 3.3 70B?

We do not have TTFT for both models.

Which has the larger context window?

SpaceXAI: Grok 4.20 Multi-Agent accepts 2M tokens versus 131k.

Can I self-host either model?

Llama 3.3 70B is marked open-weights in our catalog. The other side is a closed API. Check the provider license before you ship weights.

Are these scores from CompareLLM’s own evals?

No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.

What does preference Elo mean on this page?

Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. SpaceXAI: Grok 4.20 Multi-Agent and Llama 3.3 70B Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

No shared data

No shared data

Llama 3.3 70B

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Llama 3.3 70B stays as the previous Meta 70B workhorse

Cast Your Matchup Vote

Community Discussions (0)

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CompareLLM Matrix

SpaceXAI: Grok 4.20 Multi-Agent

Llama 3.3 70B

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

No shared data

No shared data

Llama 3.3 70B

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Llama 3.3 70B stays as the previous Meta 70B workhorse

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

SpaceXAI: Grok 4.20 Multi-Agent

Llama 3.3 70B

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons