The Known Good Updated 8 Sep 2026 Subscribe
Anthropic: Claude Opus 4.7 vs DeepSeek: DeepSeek V3 ·Anthropic vs DeepSeek

Anthropic: Claude Opus 4.7 vs DeepSeek: DeepSeek V3 — head-to-head comparison

Anthropic: Claude Opus 4.7 profile DeepSeek: DeepSeek V3 profile All comparisons
Anthropic: Claude Opus 4.7 — Anthropic
Quality
#7 of 65
92based on 5 of 7 evaluations
Known Good Index
Speed
#155 of 341
53.2
Output tokens per second
Price
#414 of 450
$10.00
Blended per 1M tokens
In $5.00 · Out $25.00
Cache hit price
#313 of 344
$0.50
per 1M tokens (−90%)
Context
#153 of 487
1.00M
tokens (~1,500 pages)
DeepSeek: DeepSeek V3 — DeepSeek
Quality
#43 of 65
62based on 4 of 7 evaluations
Known Good Index
Speed
#316 of 341
18.7
Output tokens per second
Price
#155 of 450
$0.46
Blended per 1M tokens
In $0.32 · Out $0.89
Cache hit price
#114 of 344
$0.050
per 1M tokens (−84%)
Context
#341 of 487
164k
tokens (~300 pages)
Summary

On the Known Good Index, Anthropic: Claude Opus 4.7 scores 92 and DeepSeek: DeepSeek V3 scores 62 — a 30-point lead for Anthropic: Claude Opus 4.7. They share 2 published evaluations, with Anthropic: Claude Opus 4.7 ahead on 2 and DeepSeek: DeepSeek V3 ahead on 0.

Blended pricing is $10.00 per 1M tokens for Anthropic: Claude Opus 4.7 and $0.46 for DeepSeek: DeepSeek V3 — DeepSeek: DeepSeek V3 is about 21.6× cheaper.

Throughput is 53 tokens per second for Anthropic: Claude Opus 4.7 and 19 for DeepSeek: DeepSeek V3, with time to first token at 1.6s and 1.6s. Anthropic: Claude Opus 4.7 accepts 1.00M tokens of context against 164k.

Anthropic: Claude Opus 4.7 is proprietary; DeepSeek: DeepSeek V3 is open weights under Open weights (unrestricted). 8 tracked hosts serve one or both.

Generated from tracked data on 9 Sep 2026 · how these comparisons are computed →

At a glance
MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Known Good Index 92 based on 5 of 7 evaluations 62 based on 4 of 7 evaluations
Blended $/1M $10.00 $0.46
Output tok/s 53 19
Context window 1.00M 164k
Providers 5 3
Jump to section

Quality

Known Good Index and the capability indices, side by side

Index scores

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

MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Known Good Index 92 62
Coding Index 97
Mathematics Index 57
Reasoning Index 85 62
Openness Index 5 60
The Known Good

Quality Breakdown

Every evaluation both models report a published score for

Evaluations both models report

Bar = Anthropic: Claude Opus 4.7 · marker = DeepSeek: DeepSeek V3 · scores ingested from Epoch AI (CC-BY 4.0)

GPQA Diamond90 / 71
Mock AIME 2024–2598 / 49

Right-hand figures read Anthropic: Claude Opus 4.7 / DeepSeek: DeepSeek V3. Anthropic: Claude Opus 4.7 leads on 2 of 2, DeepSeek: DeepSeek V3 on 0.

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.

MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Text Arena 1,483 1,332
Text Arena (style controlled) 1,494 1,358
The Known Good

Price & Cost

Published API pricing by token type

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.

MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Input $/1M $5.00 $0.32
Output $/1M $25.00 $0.89
Blended $/1M $10.00 $0.46
Cache read $/1M $0.500 $0.050
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.

MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Context window 1.00M 164k
Max output tokens 128k 16k
The Known Good

Speed & Latency

Mean throughput and time to first token across hosting providers, over successful measurements from the last 48 hours

Throughput and latency

Means across all tracked providers over successful measurements from the last 48 hours, derived from OpenRouter endpoint telemetry.

MetricAnthropic: Claude Opus 4.7DeepSeek: DeepSeek V3
Output tokens/s 53 19
Time to first token 1.6s 1.6s
The Known Good

Providers

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

8 hosts
Full provider benchmarks →
Provider Anthropic: Claude Opus 4.7 blendedAnthropic: Claude Opus 4.7 tok/s DeepSeek: DeepSeek V3 blendedDeepSeek: DeepSeek V3 tok/s
Amazon Bedrock · first party $10.00 62
Google · first party $10.00 57
Anthropic · first party $10.00 47
Claude Platform on AWS $10.00 39
Azure · first party $10.00
StreamLake $0.45 24
Novita $0.62 17
DeepInfra $0.46 11

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)Elo — Arena Full attribution →