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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. Claude 3 Opus vs Mistral Large 2407

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

Claude 3 Opus vs Mistral Large 2407 benchmark

In this head-to-head showdown, Mistral Large 2407 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: Choose Claude 3 Opus if your priority is peak reasoning, complex code generation, and top preference Elo. Choose Mistral Large 2407 if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Verified Head-to-Head Advantage Breakdown

3 direct benchmark disciplines evaluated across capability, speed, and cost

Claude 3 Opus (1)Mistral Large 2407 (2)
Claude 3 Opus
1 of 3 Wins
✓Context window
Mistral Large 2407
2 of 3 Wins
✓Input price✓Output price
Anthropic
Leads 1 of 3 metrics
Claude 3 Opus

Original Claude 3 flagship. Kept so opus 3 vs later Opus and vs GPT-4o still resolve.

Elo 1,248$75/1M out
Mistral
Leads 2 of 3 metrics
Mistral Large 2407

Auto-discovered from OpenRouter (mistralai/mistral-large-2407). Preview until a second source matches.

$6/1M out
Top Rival Showdowns for Claude 3 Opus
All Matchups
Compare vs:vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderMistral Large 2407 Wins

Mistral Large 2407

$6 / 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 Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile
Head-to-Head Comparison

Overall Matchup Breakdown

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

Claude 3 Opus (7)vsMistral Large 2407 (2)
Claude 3 Opus: 7W (78%)Overall: Claude 3 OpusMistral Large 2407: 2W (22%)
← Claude 3 OpusMistral Large 2407 →
🏆Claude 3 Opus(4/5)

Intelligence & Reasoning

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

Benchmark
Claude 3 OpusvsMistral Large 2407
Preference Elo
1,248vs—
Coding Elo
—vs—
SWE-bench
38.4%vs—
LiveBench
46.2%vs—
GPQA Diamond
50.4%vs—
Claude 3 Opus: 4WMistral Large 2407: 0W
🏆Claude 3 Opus(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Claude 3 OpusvsMistral Large 2407
Output speed
48 tok/svs—
Time to first token
420 msvs—
Claude 3 Opus: 2WMistral Large 2407: 0W
🏆Mistral Large 2407(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Claude 3 OpusvsMistral Large 2407
Output price
$75/1Mvs$6/1M+$69/1M
Input price
$15/1Mvs$2/1M+$13/1M
Context window
200kvs131k+69k
Claude 3 Opus: 1WMistral Large 2407: 2W

Side-by-Side Benchmark Matrix

Preference Elo
Claude 3 Opus1,248
lmarena · Aug 17, 2026
Mistral Large 2407—
LiveBench
Claude 3 Opus46.2%
livebench · Aug 17, 2026
Mistral Large 2407—
SWE-bench
Claude 3 Opus38.4%
swebench · Aug 17, 2026
Mistral Large 2407—
GPQA Diamond
Claude 3 Opus50.4%
seed-bootstrap · Aug 1, 2026
Mistral Large 2407—
Time to first token
Claude 3 Opus420 ms
seed-bootstrap · Aug 1, 2026
Mistral Large 2407—
Output speed
Claude 3 Opus48 tok/s
seed-bootstrap · Aug 1, 2026
Mistral Large 2407—
Input price+$13/1M
Claude 3 Opus$15/1M
seed-bootstrap · Aug 1, 2026
Mistral Large 2407$2/1M
openrouter · Aug 17, 2026
Output price+$69/1M
Claude 3 Opus$75/1M
seed-bootstrap · Aug 1, 2026
Mistral Large 2407$6/1M
openrouter · Aug 17, 2026
Context window+69k
Claude 3 Opus200k
seed-bootstrap · Aug 1, 2026
Mistral Large 2407131k
openrouter · Aug 17, 2026
BenchmarkClaude 3 OpusMistral Large 2407Advantage Delta
Preference Elo
1,248
lmarena · Aug 17, 2026
——
LiveBench
46.2%
livebench · Aug 17, 2026
——
SWE-bench
38.4%
swebench · Aug 17, 2026
——
GPQA Diamond
50.4%
seed-bootstrap · Aug 1, 2026
——
Time to first token
420 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
48 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$15/1M
seed-bootstrap · Aug 1, 2026
$2/1M
openrouter · Aug 17, 2026
+$13/1M
Output price
$75/1M
seed-bootstrap · Aug 1, 2026
$6/1M
openrouter · Aug 17, 2026
+$69/1M
Context window
200k
seed-bootstrap · Aug 1, 2026
131k
openrouter · Aug 17, 2026
+69k
Interactive Simulator (USD)

Workload Cost & Savings Calculator

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

Save up to 90% with Mistral Large 2407
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Claude 3 Opus$1,650.00 / mo
In: $525Out: $1,125
Mistral Large 2407$160.00 / mo
In: $70Out: $90
Estimated Cost Delta

Mistral Large 2407 is estimated to save $1,490.00/month ($17,880/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Mistral Large 2407:Pick Mistral Large 2407 when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatMistral Large 2407

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

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGClaude 3 Opus

Larger window (200k).

Screenshots / visionClaude 3 Opus

Claude 3 Opus is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatMistral Large 2407Lower output list price ($6/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGClaude 3 OpusLarger window (200k).
Screenshots / visionClaude 3 OpusClaude 3 Opus is the side marked multimodal in the catalog.
Community Sentiment

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
Anthropic

Claude 3 Opus

Elo 1,248
SWE-bench38.4%
Speed (tok/s)48 tok/s
Input / 1M Tokens$15/1M
Output / 1M Tokens$75/1M
Mistral

Mistral Large 2407

Elo n/a
SWE-bench—
Speed (tok/s)131k
Input / 1M Tokens$2/1M
Output / 1M Tokens$6/1M

Frequently Asked Questions

Which is better overall, Claude 3 Opus or Mistral Large 2407?
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, Claude 3 Opus or Mistral Large 2407?
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?
Mistral Large 2407 output tokens are $6/1M versus $75/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude 3 Opus or Mistral Large 2407?
We do not have TTFT for both models.
Which has the larger context window?
Claude 3 Opus accepts 200k tokens versus 131k.
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. Claude 3 Opus and Mistral Large 2407 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Claude 3 Opus matchups →|All Mistral Large 2407 matchups →
Claude 3 Opus vs Claude Opus 4 (next opus)Claude Opus 4.5 vs Claude 3 OpusClaude Opus 4.6 vs Claude 3 OpusClaude Sonnet 4.5 vs Claude 3 OpusMistral Large 3 vs Claude 3 OpusClaude Opus 5 vs Claude 3 Opus