The Known Good Updated 25 Jul 2026
claude-3-5-sonnet-20241022 vs DeepSeek: DeepSeek V3 ·Anthropic vs DeepSeek

claude-3-5-sonnet-20241022 vs DeepSeek: DeepSeek V3 — head-to-head comparison

claude-3-5-sonnet-20241022 profile DeepSeek: DeepSeek V3 profile All comparisons
claude-3-5-sonnet-20241022 — Anthropic
Quality
#45 of 61
40based on 3 of 6 evaluations
Known Good Index
Speed
unranked
—
Output tokens per second
Price
unranked
—
Blended per 1M tokens
Cache hit price
unranked
—
per 1M tokens
Context
unranked
—
tokens
DeepSeek: DeepSeek V3 — DeepSeek
Quality
#44 of 61
44based on 3 of 6 evaluations
Known Good Index
Speed
#280 of 316
20.9
Output tokens per second
Price
#105 of 340
$0.35
Blended per 1M tokens
In $0.20 · Out $0.80
Cache hit price
#10 of 206
$0.003
per 1M tokens (−99%)
Context
#225 of 345
164k
tokens (~300 pages)
Summary

On the Known Good Index, claude-3-5-sonnet-20241022 scores 40 and DeepSeek: DeepSeek V3 scores 44 — a 4-point lead for DeepSeek: DeepSeek V3. They share 10 published evaluations, with claude-3-5-sonnet-20241022 ahead on 2 and DeepSeek: DeepSeek V3 ahead on 8.

Published pricing is tracked for DeepSeek: DeepSeek V3 only, at $0.35 per 1M tokens blended.

claude-3-5-sonnet-20241022 is proprietary; DeepSeek: DeepSeek V3 is open weights under Open weights (restricted use). 3 tracked hosts serve one or both.

Generated from tracked data on 25 Jul 2026 · how these comparisons are computed →

At a glance
Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Known Good Index 40 based on 3 of 6 evaluations 44 based on 3 of 6 evaluations
Blended $/1M — $0.35
Output tok/s — 21
Context window — 164k
Providers 0 3
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Quality

Known Good Index and the capability indices, side by side

IndicesComponents
Index scores

Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Known Good Index 40 44
Mathematics Index 33 40
Science Index 52 53
Reasoning Index 52 52
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = claude-3-5-sonnet-20241022 · marker = DeepSeek: DeepSeek V3 · scores ingested from Epoch AI (CC-BY 4.0), LiveBench (Apache-2.0)

GPQA Diamond55 / 57
MATH / AIME8 / 16
LiveBench59 / 60
LiveBench Coding67 / 62
LiveBench Data Analysis55 / 61
LiveBench Instruction Following69 / 75
LiveBench Language54 / 47
LiveBench Mathematics52 / 61
LiveBench Reasoning57 / 57
MATH Level 557 / 65

Right-hand figures read claude-3-5-sonnet-20241022 / DeepSeek: DeepSeek V3. claude-3-5-sonnet-20241022 leads on 2 of 10, DeepSeek: DeepSeek V3 on 8.

The Known Good

Arena Elo

Human preference rating from blind pairwise votes

Arena ratings

Elo from blind pairwise votes, ingested from Arena. Higher is better.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Text Arena 1,298 1,333
Text Arena (style controlled) 1,373 1,358
The Known Good

Price & Cost

Published API pricing by token type

Per token typeCache discount
Published pricing

USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Input $/1M — $0.20
Output $/1M — $0.80
Blended $/1M — $0.35
Cache read $/1M — $0.003
The Known Good
We publish blended price rather than cost-per-task. Cost-per-task requires token counts from an evaluation suite we do not run. Blended price is computed from published rates and is fully reproducible — see the pricing methodology.

Context Window

Maximum input accepted and maximum output emitted

Context and output limits

Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Context window — 164k
Max output tokens — 16k
The Known Good

Speed & Latency

Median throughput and time to first token across hosting providers

Output speedTime to first token
Throughput and latency

Medians across all tracked providers, derived from OpenRouter endpoint telemetry.

Metricclaude-3-5-sonnet-20241022DeepSeek: DeepSeek V3
Output tokens/s — 21
Time to first token — 1.1s
The Known Good

Providers

Which hosts serve each model, and at what price and speed

3 hosts
Full provider benchmarks →
Provider claude-3-5-sonnet-20241022 blendedclaude-3-5-sonnet-20241022 tok/s DeepSeek: DeepSeek V3 blendedDeepSeek: DeepSeek V3 tok/s
StreamLake — — $0.35 24
DeepInfra — — $0.46 20
Novita — — $0.62 14

Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.

The Known Good
Sources for this page
Pricing & providers — OpenRouter Metadata — models.dev Benchmarks — Epoch AI (CC-BY 4.0)Benchmarks — LiveBench (Apache-2.0)Elo — Arena Full attribution →