Pairwise benchmark snapshot · Aug 16, 2026

Claude Sonnet 5 vs Mistral Large 3 benchmark

Name: Claude Sonnet 5 vs Mistral Large 3 AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

This page compares Claude Sonnet 5 (Anthropic) and Mistral Large 3 (Mistral) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, Claude Sonnet 5 is ahead by 100 points (1,556 vs 1,456; seed-bootstrap (Aug 16, 2026)). On SWE-bench coding, Claude Sonnet 5 resolves 73.8% versus 55.4% (seed-bootstrap (Aug 16, 2026)). Claude Sonnet 5 streams faster (118 tok/s) while Mistral Large 3 is the cheaper output token ($6/1M). Claude Sonnet 5 has the larger context window (1M 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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Anthropic

Claude Sonnet 5

Anthropic workhorse. Official $2/$10 per 1M tokens made permanent on Aug 10 2026.

Elo 1,556$10/1M out

Mistral

Mistral Large 3

Mistral European flagship with strong function calling.

Elo 1,456$6/1M out

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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.

Claude Sonnet 5 (8)vsMistral Large 3 (1)

Claude Sonnet 5: 8W (89%)Overall: Claude Sonnet 5Mistral Large 3: 1W (11%)

← Claude Sonnet 51 tiesMistral Large 3 →

Claude Sonnet 5 (5/5)

Intelligence & Reasoning

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

Preference Elo

1,556vs1,456

Coding Elo

1,562vs—

SWE-bench

73.8%vs55.4%

LiveBench

70.4%vs61.8%

GPQA Diamond

82.8%vs74.1%

Claude Sonnet 5: 5WMistral Large 3: 0W

Claude Sonnet 5 (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

118 tok/svs112 tok/s

Time to first token

175 msvs190 ms

Claude Sonnet 5: 2WMistral Large 3: 0W

Tied (1/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$10/1Mvs$6/1M

Input price

$2/1Mvs$2/1M

Context window

1Mvs128k

Claude Sonnet 5: 1WMistral Large 3: 1W

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 AdvantageClaude Sonnet 5 5/6

Preference Elo

Claude Sonnet 5

100 pts advantage

Throughput Speed

Claude Sonnet 5

6 tok/s faster

Price Efficiency

Mistral Large 3

$4.00/1M cheaper

Full Benchmark Score Matrix

—

Elo

High is better

+7%1,556

EloHigh is better

1,456

Code Elo

High is better

1,562

Code EloHigh is better

—

LiveBench

High is better

+14%70.4%

LiveBenchHigh is better

61.8%

SWE-bench

High is better

+33%73.8%

SWE-benchHigh is better

55.4%

GPQA

High is better

+12%82.8%

GPQAHigh is better

74.1%

TTFT

Low is better

+9%175 ms

TTFTLow is better

190 ms

Speed

High is better

+5%118 tok/s

SpeedHigh is better

112 tok/s

In $

Low is better

$2/1M

In $Low is better

$2/1M

Out $

Low is better

$10/1M

Out $Low is better

$6/1M+67%

Context

High is better

+681%1M

ContextHigh is better

128k

Interactive Simulator

Workload Cost & Savings Calculator

Simulate monthly production API costs based on published $/1M tokens.

Save up to 27% 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)

Claude Sonnet 5$220.00 / mo

In: $70.00Out: $150.00

Mistral Large 3$160.00 / mo

In: $70.00Out: $90.00

Estimated Cost Delta

Mistral Large 3 is estimated to save $60.00/month ($720/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

1
Claude Sonnet 5:Pick Claude Sonnet 5 when repo-level coding accuracy is the constraint.
2
Mistral Large 3:Pick Mistral Large 3 when you are optimizing output cost.
3
Claude Sonnet 5:Pick Claude Sonnet 5 when time-to-first-token matters more than peak Elo.

Recommended Workload Routing

Repo / coding agentsClaude Sonnet 5

Higher SWE-bench (73.8%).

High-volume chatMistral Large 3

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

Voice / low-latency UIClaude Sonnet 5

Lower TTFT (175 ms).

Long-document RAGClaude Sonnet 5

Larger window (1M).

Screenshots / visionClaude Sonnet 5

Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5).

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Claude Sonnet 5	Higher SWE-bench (73.8%).
High-volume chat	Mistral Large 3	Lower output list price ($6/1M).
Voice / low-latency UI	Claude Sonnet 5	Lower TTFT (175 ms).
Long-document RAG	Claude Sonnet 5	Larger window (1M).
Screenshots / vision	Claude Sonnet 5	Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5).

Related Editorial Dispatches & Benchmark Notes

View all news

compareAug 10, 2026

Sonnet vs Opus in 2026: same family, different invoice

Usually Sonnet 5 vs Opus 5. Coding delta versus output $/1M. The workhorse question.

priceAug 10, 2026

Claude Sonnet 5 at $2/$10: the 2026 Anthropic workhorse

Aug 10 2026 made the $2/$10 list permanent. Sonnet is the default Claude unless the repo is actually on fire.

launchFeb 18, 2026

Claude Sonnet 4.5 is the previous workhorse — still a valid vs baseline

Most of Opus 4.5 coding at a mid-tier price. Sonnet 5 replaced it as the buy; 4.5 remains a compare baseline.

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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LIVE

Anthropic

Claude Sonnet 5

Elo 1,556

LiveBench70.4%

SWE-bench73.8%

Speed118 tok/s

Output cost$10/1M

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, Claude Sonnet 5 or Mistral Large 3?: Claude Sonnet 5 has the higher preference Elo in our latest snapshot (1,556). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Claude Sonnet 5 or Mistral Large 3?: Claude Sonnet 5 leads SWE-bench at 73.8% vs 55.4%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?: Mistral Large 3 output tokens are $6/1M versus $10/1M. Input prices and retry rates still move the real bill.
Which is faster, Claude Sonnet 5 or Mistral Large 3?: Claude Sonnet 5 has the lower time-to-first-token (175 ms vs 190 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?: Claude Sonnet 5 accepts 1M 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. Claude Sonnet 5 and Mistral Large 3 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Claude Sonnet 5 matchups →|All Mistral Large 3 matchups →

Claude Sonnet 5 vs Claude Sonnet 4.5 (previous sonnet)Mistral Large 3 vs Codestral 25.01 (previous mistral)Claude Opus 4.5 vs Claude Sonnet 5 Claude Opus 4.6 vs Claude Sonnet 5 Claude Opus 4.8 vs Claude Sonnet 5 Claude Fable 5 vs Claude Sonnet 5

Claude Sonnet 5 vs Mistral Large 3 benchmark

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Claude Sonnet 5 (8)vsMistral Large 3 (1)

Claude Sonnet 5: 8W (89%)Overall: Claude Sonnet 5Mistral Large 3: 1W (11%)

← Claude Sonnet 51 tiesMistral Large 3 →

Claude Sonnet 5 (5/5)

Intelligence & Reasoning

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

Preference Elo

1,556vs1,456

Coding Elo

1,562vs—

SWE-bench

73.8%vs55.4%

LiveBench

70.4%vs61.8%

GPQA Diamond

82.8%vs74.1%

Claude Sonnet 5: 5WMistral Large 3: 0W

Claude Sonnet 5 (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

118 tok/svs112 tok/s

Time to first token

175 msvs190 ms

Claude Sonnet 5: 2WMistral Large 3: 0W

Tied (1/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$10/1Mvs$6/1M

Input price

$2/1Mvs$2/1M

Context window

1Mvs128k

Claude Sonnet 5: 1WMistral Large 3: 1W

Recommended Workload Routing

Repo / coding agentsClaude Sonnet 5

Higher SWE-bench (73.8%).

High-volume chatMistral Large 3

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

Voice / low-latency UIClaude Sonnet 5

Lower TTFT (175 ms).

Long-document RAGClaude Sonnet 5

Larger window (1M).

Screenshots / visionClaude Sonnet 5

Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5).

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Claude Sonnet 5	Higher SWE-bench (73.8%).
High-volume chat	Mistral Large 3	Lower output list price ($6/1M).
Voice / low-latency UI	Claude Sonnet 5	Lower TTFT (175 ms).
Long-document RAG	Claude Sonnet 5	Larger window (1M).
Screenshots / vision	Claude Sonnet 5	Both accept images. Defaulting to the higher-Elo side (Claude Sonnet 5).

Frequently Asked Questions

Which is better overall, Claude Sonnet 5 or Mistral Large 3?

Claude Sonnet 5 has the higher preference Elo in our latest snapshot (1,556). “Better” still depends on coding, price, and latency — see the table.

Which is better at coding, Claude Sonnet 5 or Mistral Large 3?

Claude Sonnet 5 leads SWE-bench at 73.8% vs 55.4%. SWE-bench is one harness, not your repo.

Which is cheaper to run in production?

Mistral Large 3 output tokens are $6/1M versus $10/1M. Input prices and retry rates still move the real bill.

Which is faster, Claude Sonnet 5 or Mistral Large 3?

Claude Sonnet 5 has the lower time-to-first-token (175 ms vs 190 ms). Tokens/sec is a separate column if you care about long completions.

Which has the larger context window?

Claude Sonnet 5 accepts 1M 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. Claude Sonnet 5 and Mistral Large 3 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

Claude Sonnet 5

Claude Sonnet 5

Mistral Large 3

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Sonnet vs Opus in 2026: same family, different invoice

Claude Sonnet 5 at $2/$10: the 2026 Anthropic workhorse

Claude Sonnet 4.5 is the previous workhorse — still a valid vs baseline

Mistral Large 3: the European flagship with function calling

Cast Your Matchup Vote

Community Discussions (0)

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CompareLLM Matrix

Claude Sonnet 5

Mistral Large 3

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

Claude Sonnet 5

Claude Sonnet 5

Mistral Large 3

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Sonnet vs Opus in 2026: same family, different invoice

Claude Sonnet 5 at $2/$10: the 2026 Anthropic workhorse

Claude Sonnet 4.5 is the previous workhorse — still a valid vs baseline

Mistral Large 3: the European flagship with function calling

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

Claude Sonnet 5

Mistral Large 3

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons