Head-to-Head Model Comparison

DeepSeek V3 vs Llama 3.3 70B

Benchmarks, API Token Pricing, Context Window & Speed Comparison

由 GetInfoUs 研究团队审核最后审核日期:October 2026编辑政策
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
DeepSeek V3 vs Llama 3.3 70B: Benchmarks, Pricing & Speed Comparison

DeepSeek V3 by DeepSeek and Llama 3.3 70B by Meta represent two of the frontier AI models analyzed in our comprehensive 2026 AI benchmark and LLM comparison. In this head-to-head evaluation, we examine API token pricing, context window specifications, inference speed (tokens per second), and empirical reasoning performance. From a pure economic perspective, Llama 3.3 70B holds a notable pricing advantage for token ingestion. On output generation, Llama 3.3 70B is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, both models provide an identical memory horizon with 128K tokens. In latency-sensitive production environments, Llama 3.3 70B leads in tokens-per-second throughput, making it ideal for real-time conversational agents and high-concurrency workflows. Below is the complete empirical head-to-head breakdown across cost, speed, context, and capability matrices.

模型直接对比 (VS)

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DeepSeek

DeepSeek V3

开源权重模型

DeepSeek 推出的 DeepSeek V3 人工智能模型,具备 128K 上下文窗口,输入价格为 $0.27/百万 Token,输出价格为 $1.1/百万 Token,专为高质量生产环境、推理与自动化工作流打造。

Intelligence Index44 / 100
Input Token:

$0.27 / 1M

Output Token:

$1.10 / 1M

Context Window:

128K tokens

SWE-bench Verified:

49.2%

Meta

Llama 3.3 70B

开源权重模型

Meta 推出的 Llama 3.3 70B 人工智能模型,具备 128K 上下文窗口,输入价格为 $0.0/百万 Token,输出价格为 $0.0/百万 Token,专为高质量生产环境、推理与自动化工作流打造。

Intelligence Index38 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

128K tokens

SWE-bench Verified:

39.5%

核心差异一览

  • Llama 3.3 70B is 10.0x cheaper for API usage (input + output tokens combined).
  • Llama 3.3 70B is faster at 280 tok/s vs 60 tok/s.
  • DeepSeek V3 leads on SWE-bench coding (49.2% vs 39.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureDeepSeek V3Llama 3.3 70B
Intelligence Index
Composite reasoning & knowledge score (0-100)
4438
Provider
DeepSeekMeta
Input Price
Cost per million input tokens
$0.27 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$1.10 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.21 / 1M$0.07 / 1M
Context Window
Maximum input + output tokens
128K tokens~192 A4 pages of text128K tokens~192 A4 pages of text
Max Output Tokens
Per single request
8K4K
Throughput Speed
Tokens generated per second
60 tok/s280 tok/s
SWE-bench Verified
Real-world software engineering
49.2%39.5%
GPQA Diamond
Graduate-level reasoning
59.1%48.9%
Cached Input Price
Prompt caching discount per 1M tokens
$0.07 / 1M$0.10 / 1M

各项指标谁更胜一筹?

At-a-glance decision framework
Coding
DeepSeek V3
+9.7% SWE-bench lead
Cost
Llama 3.3 70B
10.0x cheaper monthly runtime
Speed
Llama 3.3 70B
+367% faster generation
Context
Tied
128K tokens window

权威基准测试得分对比

Official evaluation metrics verified by independent third-party research labs.

DeepSeek V3Llama 3.3 70B
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

49.2%vs39.5%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

59.1%vs48.9%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

75.9%vs71%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1300ptsvs1285pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

9.5%vs7.8%
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

32.5%vs26.1%
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

29.5%vs23.7%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

51.7%vs42.5%
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

68%vs56.2%
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

68.3%vs63.9%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

60 tok/s vs280 tok/s

延迟与响应速度

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
DeepSeek V30.68s
Llama 3.3 70B0.25s
Est. End-to-End Response (500 tokens)TTFT + generation time
DeepSeek V39.01s
Llama 3.3 70B2.04s

实时 Token 成本模拟器

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
DeepSeek V3 Monthly API Bill
$1.50 / month
$0.27/1M in · $1.1/1M out
Llama 3.3 70B Monthly API Bill
$0.15 / month
$0/1M in · $0/1M out
Llama 3.3 70B saves approximately $1.35 / month (90%) under this workload.10.0x Savings

DeepSeek V3 · Strengths & Key Advantages

  • 由 DeepSeek 研发的高精度 671B Mixture-of-Experts (37B active) 架构,支持 128K 上下文窗口
  • 极具竞争力的 API 定价(输入 $0.27/1M,输出 $1.1/1M),支持高速推理与工具调用
  • 在代码生成、逻辑推理与多语言处理基准测试中表现出色
Considerations & Trade-offs
  • 超长上下文请求需要规划 Token 成本与并发配额
  • 针对特定垂直领域任务建议结合系统提示词与检索增强(RAG)以获得最佳效果

Llama 3.3 70B · Strengths & Key Advantages

  • 由 Meta 研发的高精度 Dense Autoregressive Transformer 架构,支持 128K 上下文窗口
  • 极具竞争力的 API 定价(输入 $0.0/1M,输出 $0.0/1M),支持高速推理与工具调用
  • 在代码生成、逻辑推理与多语言处理基准测试中表现出色
Considerations & Trade-offs
  • 超长上下文请求需要规划 Token 成本与并发配额
  • 针对特定垂直领域任务建议结合系统提示词与检索增强(RAG)以获得最佳效果

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricDeepSeek V3Llama 3.3 70B
Cost per Task
Estimated USD to finish one task
$0.14$0.21
Output Tokens / Task
Tokens generated per task
45K45K
Reasoning Tokens / Task
Thinking tokens burned per task
0K0K

技术规格参数

Architecture, release timeline, capabilities, and modalities.

FeatureDeepSeek V3Llama 3.3 70B
Official API Model ID (SDK)deepseek-chatmeta-llama/Llama-3.3-70B
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2024-122024-12
Knowledge CutoffJuly 2024December 2023
Architecture671B Mixture-of-Experts (37B active)Dense Autoregressive Transformer
Parameters671B70B
Enterprise Rate Limits (RPM / TPM)Unlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed CloudUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($0.27/1M in) across full 128K windowFree across full context window (only KV-cache VRAM scales)
Prompt Cache Policy & TTLAutomatic prefix caching at $0.07/1M (no extra cache-write fee)Automatic prefix KV-caching in vLLM / SGLang (0 cost)
Computer Use / GUI AgentAPI / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxSupported via external Tavily/Exa Search & E2B/Docker Sandbox toolsSupported via external Tavily/Exa Search & E2B/Docker Sandbox tools
Official Fine-Tuning SupportFull Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Token BillingText BPE (~4 chars/token)Text BPE (~4 chars/token)
Quantization & Min GPU VRAMBF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 416 GB VRAM (4-bit Quantized) · 1443 GB VRAM (Native BF16)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 43 GB VRAM (4-bit Quantized) · 151 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)Open-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)
Enterprise Compliance (ZDR/HIPAA/SOC2)100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiestexttext
Output Modalitiestexttext

DeepSeek V3 vs Llama 3.3 70B: 常见问题解答 (FAQ)

Which is more intelligent, DeepSeek V3 or Llama 3.3 70B?

DeepSeek V3 is more intelligent. It scores 44 compared with 38 on the composite Intelligence Index.

Which model is faster?

Llama 3.3 70B is faster, generating 280 tokens per second compared with 60 tokens per second.

Which model is cheaper to run?

Llama 3.3 70B is cheaper at $0.07 per 1M tokens blended, compared with $0.21 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Llama 3.3 70B has lower latency, with a time to first token of 0.25s compared with 0.68s.

综合结论

Verdict & Model Selection Recommendation: Choose DeepSeek V3 if your priority is High-volume production APIs, budget-conscious full-stack development, and bulk document transformation. Its performance in demanding tasks justifies its operational token cost. Choose Llama 3.3 70B if your workflow prioritizes Private on-premises deployments, high-throughput text summarization, and fine-tuned domain tasks. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.

常见问题 (FAQ)

How does DeepSeek V3 compare to Llama 3.3 70B in API token pricing and cost per token?+

DeepSeek V3 costs $0.27 per 1M input tokens and $1.10 per 1M output tokens, whereas Llama 3.3 70B costs $0.00 input and $0.00 output. Overall, Llama 3.3 70B is the more cost-effective model for high-volume API pipelines. Both models support prompt caching discounts of up to 90% for repeated prompt prefixes.

Which model has a larger context window: DeepSeek V3 or Llama 3.3 70B?+

Both DeepSeek V3 and Llama 3.3 70B offer an identical context window of 128K tokens (~96k words). Both architectures provide equal capacity for large document ingestion, multi-file codebases, and extended multi-turn conversation histories.

Which AI model is better for software engineering and coding: DeepSeek V3 or Llama 3.3 70B?+

DeepSeek V3 scores 49.2% on SWE-bench Verified while Llama 3.3 70B scores 39.5%. For autonomous software engineering and multi-file debugging, DeepSeek V3 holds the verified benchmark lead.

What is the difference in reasoning capability and extended thinking between DeepSeek V3 and Llama 3.3 70B?+

DeepSeek V3 is optimized for low-latency direct generation. In contrast, Llama 3.3 70B focuses on standard fast inference.

How does inference speed (tokens per second) compare between DeepSeek V3 and Llama 3.3 70B?+

DeepSeek V3 generates approximately 60 tokens per second, while Llama 3.3 70B delivers 280 tokens per second. In latency-sensitive production environments, Llama 3.3 70B provides faster time-to-first-token (TTFT) and higher streaming response velocity.

Can you implement a tiered LLM routing setup combining DeepSeek V3 and Llama 3.3 70B to optimize costs?+

Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Llama 3.3 70B to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to DeepSeek V3. This tiered routing pattern cuts overall API bills by up to 70%.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

数据来源: GetInfoUs Independent AI Benchmarks & Official API Specs