โ† Back to Model Hub/SIDE-BY-SIDE REVIEW
SHARE THIS:

Claude Opus 4.8 (Fast) vs DeepSeek V3

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.8 (Fast) and DeepSeek V3.

Anthropic

Claude Opus 4.8 (Fast)

Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

View Full Specs
DeepSeek

DeepSeek V3

DeepSeek-V3 is the latest model from the DeepSeek team, building upon the instruction following and coding abilities of the previous versions. Pre-trained on nearly 15 trillion tokens, the reported evaluations...

View Full Specs

Technical Specifications

SpecificationClaude Opus 4.8 (Fast)DeepSeek V3
ProviderAnthropicDeepSeek
Context Window1,000,000 tokens131,072 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-05-272024-12-26

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4.8 (Fast)

$10.00

DeepSeek V3

$0.20

Output Price per Million Tokens

Claude Opus 4.8 (Fast)

$50.00

DeepSeek V3

$0.80

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs8850.0%
Claude Opus 4.8 (Fast)
DeepSeek V3
HumanEvalPython coding & logic synthesis
N/Avs8900.0%
Claude Opus 4.8 (Fast)
DeepSeek V3
MATHComplex mathematical problem solving
N/Avs7460.0%
Claude Opus 4.8 (Fast)
DeepSeek V3
GPQAGraduate-level expert reasoning
N/Avs4900.0%
Claude Opus 4.8 (Fast)
DeepSeek V3
HellaSwagCommonsense reasoning and inference
N/Avs8750.0%
Claude Opus 4.8 (Fast)
DeepSeek V3
MT-BenchMulti-turn conversation flow quality
N/Avs918.0%
Claude Opus 4.8 (Fast)
DeepSeek V3

Claude Opus 4.8 (Fast) Quirks & Gotchas

No developer gotchas reported.

DeepSeek V3 Quirks & Gotchas

No developer gotchas reported.