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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Grok 3 vs Mistral Large 3

Pairwise benchmark snapshot · Aug 17, 2026

Grok 3 vs Mistral Large 3 benchmark

In this head-to-head showdown, Mistral Large 3 delivers higher overall intelligence and human-preferred responses (Elo 1,456 vs 1,405), while Mistral Large 3 leads in SWE-bench software engineering benchmarks (55.4%), while Mistral Large 3 is more budget-friendly at $6/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Mistral Large 3 holds the advantage over Grok 3 in overall benchmark performance and human evaluation rankings. Choose Mistral Large 3 for demanding workloads, or review the breakdown below to compare coding and pricing metrics.
Share Analysis:
WhatsAppTelegramXLinkedInReddit
xAI
Grok 3

Previous xAI generation before Grok 4. Kept for grok 3 vs grok 4.

Elo 1,405$15/1M out
Mistral
Mistral Large 3

Mistral European flagship with strong function calling.

Elo 1,456$6/1M out
Top Rival Showdowns for Grok 3
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

Mistral Large 3

Δ 51 Arena Elo pts

Throughput Leader

Mistral Large 3

112 tok/s

Value per Dollar Leader

Mistral Large 3

$6 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

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 AdvantageMistral Large 3 5/6
Head-to-Head Comparison

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Grok 3 (2)vsMistral Large 3 (7)
Grok 3: 2W (22%)Overall: Mistral Large 3Mistral Large 3: 7W (78%)
← Grok 3Mistral Large 3 →
Mistral Large 3 (3/5)

Intelligence & Reasoning

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

Preference Elo
1,405vs1,456
Coding Elo
—vs—
SWE-bench
51.4%vs55.4%
LiveBench
60.2%vs61.8%
GPQA Diamond
74.2%vs74.1%
Grok 3: 1WMistral Large 3: 3W
Mistral Large 3 (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
88 tok/svs112 tok/s
Time to first token
250 msvs190 ms
Grok 3: 0WMistral Large 3: 2W
Mistral Large 3 (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$15/1Mvs$6/1M
Input price
$3/1Mvs$2/1M
Context window
131kvs128k
Grok 3: 1WMistral Large 3: 2W

Side-by-Side Benchmark Matrix

Preference EloMistral Large 3 (+51)
Grok 31,405
lmarena · Aug 17, 2026
Mistral Large 31,456
lmarena · Aug 17, 2026
LiveBenchMistral Large 3 (+1.6%)
Grok 360.2%
livebench · Aug 17, 2026
Mistral Large 361.8%
livebench · Aug 17, 2026
SWE-benchMistral Large 3 (+4%)
Grok 351.4%
swebench · Aug 17, 2026
Mistral Large 355.4%
swebench · Aug 17, 2026
GPQA DiamondGrok 3 (+0.1%)
Grok 374.2%
seed-bootstrap · Aug 1, 2026
Mistral Large 374.1%
seed-bootstrap · Aug 1, 2026
Time to first tokenMistral Large 3 (+60 ms)
Grok 3250 ms
seed-bootstrap · Aug 1, 2026
Mistral Large 3190 ms
seed-bootstrap · Aug 1, 2026
Output speedMistral Large 3 (+24 tok/s)
Grok 388 tok/s
seed-bootstrap · Aug 1, 2026
Mistral Large 3112 tok/s
seed-bootstrap · Aug 1, 2026
Input priceMistral Large 3 (+$1/1M)
Grok 3$3/1M
seed-bootstrap · Aug 1, 2026
Mistral Large 3$2/1M
openrouter · Aug 17, 2026
Output priceMistral Large 3 (+$9/1M)
Grok 3$15/1M
seed-bootstrap · Aug 1, 2026
Mistral Large 3$6/1M
openrouter · Aug 17, 2026
Context windowGrok 3 (+3k)
Grok 3131k
seed-bootstrap · Aug 1, 2026
Mistral Large 3128k
openrouter · Aug 17, 2026
BenchmarkGrok 3Mistral Large 3Advantage Delta
Preference Elo
1,405
lmarena · Aug 17, 2026
1,456
lmarena · Aug 17, 2026
Mistral Large 3 (+51)
LiveBench
60.2%
livebench · Aug 17, 2026
61.8%
livebench · Aug 17, 2026
Mistral Large 3 (+1.6%)
SWE-bench
51.4%
swebench · Aug 17, 2026
55.4%
swebench · Aug 17, 2026
Mistral Large 3 (+4%)
GPQA Diamond
74.2%
seed-bootstrap · Aug 1, 2026
74.1%
seed-bootstrap · Aug 1, 2026
Grok 3 (+0.1%)
Time to first token
250 ms
seed-bootstrap · Aug 1, 2026
190 ms
seed-bootstrap · Aug 1, 2026
Mistral Large 3 (+60 ms)
Output speed
88 tok/s
seed-bootstrap · Aug 1, 2026
112 tok/s
seed-bootstrap · Aug 1, 2026
Mistral Large 3 (+24 tok/s)
Input price
$3/1M
seed-bootstrap · Aug 1, 2026
$2/1M
openrouter · Aug 17, 2026
Mistral Large 3 (+$1/1M)
Output price
$15/1M
seed-bootstrap · Aug 1, 2026
$6/1M
openrouter · Aug 17, 2026
Mistral Large 3 (+$9/1M)
Context window
131k
seed-bootstrap · Aug 1, 2026
128k
openrouter · Aug 17, 2026
Grok 3 (+3k)
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 52% with Mistral Large 3
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Grok 3$330.00 / mo
In: $105Out: $225
Mistral Large 3$160.00 / mo
In: $70Out: $90
Estimated Cost Delta

Mistral Large 3 is estimated to save $170.00/month ($2,040/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Mistral Large 3:Pick Mistral Large 3 when repo-level coding accuracy is the constraint.
  • 2
    Mistral Large 3:Pick Mistral Large 3 when time-to-first-token matters more than peak Elo.
  • 3
    Mistral Large 3:Pick Mistral Large 3 as the default general assistant.

Recommended Workload Routing

Repo / coding agentsMistral Large 3

Higher SWE-bench (55.4%).

High-volume chatMistral Large 3

Lower output list price ($6/1M).

Voice / low-latency UIMistral Large 3

Lower TTFT (190 ms).

Long-document RAGGrok 3

Larger window (131k).

Screenshots / visionMistral Large 3

Both accept images. Defaulting to the higher-Elo side (Mistral Large 3).

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsMistral Large 3Higher SWE-bench (55.4%).
High-volume chatMistral Large 3Lower output list price ($6/1M).
Voice / low-latency UIMistral Large 3Lower TTFT (190 ms).
Long-document RAGGrok 3Larger window (131k).
Screenshots / visionMistral Large 3Both accept images. Defaulting to the higher-Elo side (Mistral Large 3).

Related Editorial Dispatches & Benchmark Notes

View all news
launchJan 18, 2026

Mistral Large 3: the European flagship with function calling

Jan 2026. Not the Elo crown. Useful when residency and tools matter more than Arena.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
xAI

Grok 3

Elo 1,405
LiveBench60.2%
SWE-bench51.4%
Speed88 tok/s
Output cost$15/1M
Mistral

Mistral Large 3

Elo 1,456
LiveBench61.8%
SWE-bench55.4%
Speed112 tok/s
Output cost$6/1M

Frequently Asked Questions

Which is better overall, Grok 3 or Mistral Large 3?
Mistral Large 3 has the higher preference Elo in our latest snapshot (1,456). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Grok 3 or Mistral Large 3?
Mistral Large 3 leads SWE-bench at 55.4% vs 51.4%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?
Mistral Large 3 output tokens are $6/1M versus $15/1M. Input prices and retry rates still move the real bill.
Which is faster, Grok 3 or Mistral Large 3?
Mistral Large 3 has the lower time-to-first-token (190 ms vs 250 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?
Grok 3 accepts 131k tokens versus 128k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
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. Grok 3 and Mistral Large 3 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Jan 18, 2026

    Mistral Large 3: the European flagship with function calling

Similar Head-to-Head Comparisons

All Grok 3 matchups →|All Mistral Large 3 matchups →
Grok 3 vs Grok 4 (next grok)Mistral Large 3 vs Codestral 25.01 (previous mistral)Grok 4.6 vs Mistral Large 3Grok 4 vs Mistral Large 3Codestral 25.01 vs Grok 3Doubao Pro 1.5 vs Mistral Large 3