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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. Mistral Large 3 vs Reka Flash 3

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

Mistral Large 3 vs Reka Flash 3 benchmark

In this head-to-head showdown, Reka Flash 3 is more budget-friendly at $0.2/1M 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: Choose Mistral Large 3 if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Reka Flash 3 if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Executive Verdict Summary

Reka Flash 3 holds empirical advantage (2 of 3 metrics)

Coding / SWESWE-bench
Mistral Large 3Top code solve rate
ReasoningGPQA / Live
Mistral Large 3Top logical accuracy
Best Value$/1M Tok
Reka Flash 3Lowest API billing cost
Speed / TokTok/Sec
Mistral Large 3Fastest stream rate

Verified Advantage Breakdown

3 benchmarks evaluated across capability, speed, and cost

Mistral Large 3 (1)Reka Flash 3 (2)
Mistral Large 3
1 of 3 Wins
✓Context window
Reka Flash 3
2 of 3 Wins
✓Input price✓Output price
Mistral
Leads 1 of 3
Mistral Large 3

Mistral European flagship with strong function calling.

Elo 1,456In: $2 · Out: $6/1M
rekaai
Leads 2 of 3
Reka Flash 3

Auto-discovered from OpenRouter (rekaai/reka-flash-3). Preview until a second source matches.

In: $0.1 · Out: $0.2/1M
Top Rival Showdowns for Mistral Large 3
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Pro
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderReka Flash 3 Wins

Reka Flash 3

$0.19999999999999998 / 1M output

Capability Percentiles

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

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

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

Mistral Large 3 (7)vsReka Flash 3 (2)
Mistral Large 3: 7W (78%)Overall: Mistral Large 3Reka Flash 3: 2W (22%)
← Mistral Large 3Reka Flash 3 →
🏆Mistral Large 3 Leads(4/5)

Intelligence & Reasoning

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

Benchmark
Mistral Large 3vsReka Flash 3
Preference Elo
1,456vs—
Coding Elo
—vs—
SWE-bench
55.4%vs—
LiveBench
61.8%vs—
GPQA Diamond
74.1%vs—
Mistral Large 3: 4WReka Flash 3: 0W
🏆Mistral Large 3 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Mistral Large 3vsReka Flash 3
Output speed
112 tok/svs—
Time to first token
190 msvs—
Mistral Large 3: 2WReka Flash 3: 0W
🏆Reka Flash 3 Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Mistral Large 3vsReka Flash 3
Output price
$6/1Mvs$0.2/1M+$5.8/1M
Input price
$2/1Mvs$0.1/1M+$1.9/1M
Context window
128kvs66k+62k
Mistral Large 3: 1WReka Flash 3: 2W

Side-by-Side Benchmark Matrix

Mistral Large 3Reka Flash 3
Preference Elo
Mistral Large 31,456
Reka Flash 3—
LiveBench
Mistral Large 361.8%
Reka Flash 3—
SWE-bench
Mistral Large 355.4%
Reka Flash 3—
GPQA Diamond
Mistral Large 374.1%
Reka Flash 3—
Time to first token
Mistral Large 3190 ms
Reka Flash 3—
Output speed
Mistral Large 3112 tok/s
Reka Flash 3—
Input priceReka Flash 3 +$1.9/1M
Mistral Large 3$2/1M
Reka Flash 3$0.1/1M
Output priceReka Flash 3 +$5.8/1M
Mistral Large 3$6/1M
Reka Flash 3$0.2/1M
Context windowMistral Large 3 +62k
Mistral Large 3128k
Reka Flash 366k
BenchmarkMistral Large 3Reka Flash 3Advantage Delta
Preference Elo
1,456
lmarena · Aug 17, 2026
——
LiveBench
61.8%
livebench · Aug 17, 2026
——
SWE-bench
55.4%
swebench · Aug 17, 2026
——
GPQA Diamond
74.1%
seed-bootstrap · Aug 1, 2026
——
Time to first token
190 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
112 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$2/1M
openrouter · Aug 17, 2026
$0.1/1M
openrouter · Aug 17, 2026
+$1.9/1M
Output price
$6/1M
openrouter · Aug 17, 2026
$0.2/1M
openrouter · Aug 17, 2026
+$5.8/1M
Context window
128k
openrouter · Aug 17, 2026
66k
openrouter · Aug 17, 2026
+62k

Workload Cost & Savings Calculator

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

Save 96% with Reka Flash 3
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Mistral Large 3$160.00 / mo
In: $70Out: $90
Reka Flash 3$6.50 / mo
In: $3.5Out: $3
Estimated Cost Delta

Reka Flash 3 is estimated to save $153.50/month ($1,842/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Reka Flash 3:Pick Reka Flash 3 when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatReka Flash 3

Lower output list price ($0.2/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGMistral Large 3

Larger window (128k).

Screenshots / visionMistral Large 3

Mistral Large 3 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatReka Flash 3Lower output list price ($0.2/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGMistral Large 3Larger window (128k).
Screenshots / visionMistral Large 3Mistral Large 3 is the side marked multimodal in the catalog.

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.

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Mistral

Mistral Large 3

Elo 1,456
SWE-bench55.4%
Speed (tok/s)112 tok/s
Input / 1M Tokens$2/1M
Output / 1M Tokens$6/1M
rekaai

Reka Flash 3

Elo n/a
SWE-bench—
Speed (tok/s)66k
Input / 1M Tokens$0.1/1M
Output / 1M Tokens$0.2/1M

Frequently Asked Questions

Which is better overall, Mistral Large 3 or Reka Flash 3?
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, Mistral Large 3 or Reka Flash 3?
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?
Reka Flash 3 output tokens are $0.2/1M versus $6/1M. Input prices and retry rates still move the real bill.
Which is faster, Mistral Large 3 or Reka Flash 3?
We do not have TTFT for both models.
Which has the larger context window?
Mistral Large 3 accepts 128k tokens versus 66k.
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. Mistral Large 3 and Reka Flash 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 Mistral Large 3 matchups →|All Reka Flash 3 matchups →
Mistral Large 3 vs Codestral 25.01 (previous mistral)Doubao Pro 1.5 vs Mistral Large 3Yi-Lightning vs Mistral Large 3Gemini 2.0 Flash Thinking vs Mistral Large 3Gemini 3 Flash vs Mistral Large 3Gemini 3.6 Flash vs Mistral Large 3