Head-to-Head Model Comparison

Mixtral 8x7B vs Llama 3 (8B)

Benchmarks, API Token Pricing, Context Window & Speed Comparison

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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Mixtral 8x7B vs Llama 3 (8B): Benchmarks, Pricing & Speed Comparison

Mixtral 8x7B by Mistral AI and Llama 3 (8B) 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 (8B) holds a notable pricing advantage for token ingestion. On output generation, Llama 3 (8B) is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, Mixtral 8x7B provides an expanded memory horizon with 33K tokens. In latency-sensitive production environments, Llama 3 (8B) 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.

徹底比較 (VS)

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Mistral AI

Mixtral 8x7B

オープンウェイトモデル

Mistral AI が提供する Mixtral 8x7B は、最大 32K トークンのコンテキストウィンドウを備え、入力 $0.2/100万トークン・出力 $0.2/100万トークンで利用可能な、コーディング・推論・業務自動化向け AI モデルです。

Intelligence Index37 / 100
Input Token:

$0.20 / 1M

Output Token:

$0.20 / 1M

Context Window:

32.8K tokens

SWE-bench Verified:

N/A

Meta

Llama 3 (8B)

オープンウェイトモデル

Meta が提供する Llama 3 (8B) は、最大 8K トークンのコンテキストウィンドウを備え、入力 $0.05/100万トークン・出力 $0.1/100万トークンで利用可能な、コーディング・推論・業務自動化向け AI モデルです。

Intelligence Index34 / 100
Input Token:

$0.05 / 1M

Output Token:

$0.10 / 1M

Context Window:

8.2K tokens

SWE-bench Verified:

12%

ひと目でわかる主な違い

  • Llama 3 (8B) is 3.0x cheaper for API usage (input + output tokens combined).
  • Mixtral 8x7B has a larger context window (33K vs 8K tokens).
  • Llama 3 (8B) is faster at 210 tok/s vs 130 tok/s.
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureMixtral 8x7BLlama 3 (8B)
Intelligence Index
Composite reasoning & knowledge score (0-100)
3734
Provider
Mistral AIMeta
Input Price
Cost per million input tokens
$0.20 / 1M$0.05 / 1M
Output Price
Cost per million output tokens
$0.20 / 1M$0.10 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.10 / 1M$0.03 / 1M
Context Window
Maximum input + output tokens
32.8K tokens~49 A4 pages of text8.2K tokens~12 A4 pages of text
Max Output Tokens
Per single request
4K4K
Throughput Speed
Tokens generated per second
130 tok/s210 tok/s
SWE-bench Verified
Real-world software engineering
N/A12%
GPQA Diamond
Graduate-level reasoning
38%34.2%
Cached Input Price
Prompt caching discount per 1M tokens
$0.05 / 1M$0.01 / 1M

分野別勝者スコアカード

At-a-glance decision framework
Coding

Evaluations ongoing

Cost
Llama 3 (8B)
3.0x cheaper monthly runtime
Speed
Llama 3 (8B)
+62% faster generation
Context
Mixtral 8x7B
32.8K tokens window

検証済みベンチマークスコア比較

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

Mixtral 8x7BLlama 3 (8B)
SWE-bench Verified (Autonomous Coding)

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

N/Avs12%
GPQA Diamond (Doctorate-Level Science & Math)

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

38%vs34.2%
MMLU-Pro (Multi-task Language Understanding)

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

66.5%vs62.5%
LMSYS Chatbot Arena Elo

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

1195ptsvs1150pts
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

130 tok/s vs210 tok/s

レイテンシ&応答時間

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
Mixtral 8x7B0.38s
Llama 3 (8B)0.22s
Est. End-to-End Response (500 tokens)TTFT + generation time
Mixtral 8x7B4.23s
Llama 3 (8B)2.60s

リアルタイムAPIトークン料金シミュレーター

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)
Mixtral 8x7B Monthly API Bill
$0.56 / month
$0.2/1M in · $0.2/1M out
Llama 3 (8B) Monthly API Bill
$0.18 / month
$0.05/1M in · $0.1/1M out
Llama 3 (8B) saves approximately $0.37 / month (67%) under this workload.3.0x Savings

Mixtral 8x7B · Strengths & Key Advantages

  • Mistral AI の高度な Sparse Mixture of Experts (MoE, 2 active of 8) アーキテクチャと 32K トークンのコンテキスト処理能力
  • 優れたコストパフォーマンス(入力 $0.2/1M、出力 $0.2/1M)と安定した応答速度
  • プログラミング、論理的推論、多言語タスクにおいて高いベンチマーク精度を実現
Considerations & Trade-offs
  • 大規模な長文コンテキスト処理時はトークン消費量の最適化が必要
  • 専門領域のタスクでは適切なプロンプト設計や RAG の併用が推奨される

Llama 3 (8B) · Strengths & Key Advantages

  • Meta の高度な Dense GQA Transformer with 128K Tokenizer アーキテクチャと 8K トークンのコンテキスト処理能力
  • 優れたコストパフォーマンス(入力 $0.05/1M、出力 $0.1/1M)と安定した応答速度
  • プログラミング、論理的推論、多言語タスクにおいて高いベンチマーク精度を実現
Considerations & Trade-offs
  • 大規模な長文コンテキスト処理時はトークン消費量の最適化が必要
  • 専門領域のタスクでは適切なプロンプト設計や RAG の併用が推奨される

Token Use & Task Economics

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

MetricMixtral 8x7BLlama 3 (8B)
Cost per Task
Estimated USD to finish one task
$0.20$0.20
Output Tokens / Task
Tokens generated per task
24K24K
Reasoning Tokens / Task
Thinking tokens burned per task
0K0K

技術仕様・スペック

Architecture, release timeline, capabilities, and modalities.

FeatureMixtral 8x7BLlama 3 (8B)
Official API Model ID (SDK)mixtral-8x7b-latestmeta-llama/Llama-3-(8B)
API ProtocolOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGIOpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2023-122024-04
Knowledge CutoffLate 2023March 2024
ArchitectureSparse Mixture of Experts (MoE, 2 active of 8)Dense GQA Transformer with 128K Tokenizer
Parameters46.7B (12.9B active)8B
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 ($0.2/1M in) across full 33K windowFlat rate ($0.05/1M in) across full 8K window
Prompt Cache Policy & TTLCached input at $0.05/1M tokensCached input at $0.0125/1M tokens
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) · 29 GB VRAM (4-bit Quantized) · 100 GB VRAM (Native BF16)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 5 GB VRAM (4-bit Quantized) · 17 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

Mixtral 8x7B vs Llama 3 (8B): よくある質問 (FAQ)

Which is more intelligent, Mixtral 8x7B or Llama 3 (8B)?

Mixtral 8x7B is more intelligent. It scores 37 compared with 34 on the composite Intelligence Index.

Which model is faster?

Llama 3 (8B) is faster, generating 210 tokens per second compared with 130 tokens per second.

Which model is cheaper to run?

Llama 3 (8B) is cheaper at $0.03 per 1M tokens blended, compared with $0.10 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Llama 3 (8B) has lower latency, with a time to first token of 0.22s compared with 0.38s.

Which model has a larger context window?

Mixtral 8x7B has a larger context window, supporting 32.8K tokens compared with 8.2K tokens.

総合評価

Verdict & Model Selection Recommendation: Choose Mixtral 8x7B if your priority is Cost-effective multilingual enterprise pipelines, customer service bots, and open MoE research. Its performance in demanding tasks justifies its operational token cost. Choose Llama 3 (8B) if your workflow prioritizes Local edge computing, offline laptop inference, robotics, and low-latency API routers. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.

よくある質問 (FAQ)

How does Mixtral 8x7B compare to Llama 3 (8B) in API token pricing and cost per token?+

Mixtral 8x7B costs $0.20 per 1M input tokens and $0.20 per 1M output tokens, whereas Llama 3 (8B) costs $0.05 input and $0.10 output. Overall, Llama 3 (8B) 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: Mixtral 8x7B or Llama 3 (8B)?+

Mixtral 8x7B supports a context window of 33K tokens (~25k words), while Llama 3 (8B) supports 8K tokens (~6k words). Therefore, Mixtral 8x7B can process more textual data and document context in a single prompt.

Which AI model is better for software engineering and coding: Mixtral 8x7B or Llama 3 (8B)?+

Mixtral 8x7B scores at the frontier of coding benchmarks, while Llama 3 (8B) scores 12%. For complex autonomous debugging and agentic engineering, Llama 3 (8B) provides robust code generation and tool calling.

What is the difference in reasoning capability and extended thinking between Mixtral 8x7B and Llama 3 (8B)?+

Mixtral 8x7B is optimized for low-latency direct generation. In contrast, Llama 3 (8B) focuses on standard fast inference.

How does inference speed (tokens per second) compare between Mixtral 8x7B and Llama 3 (8B)?+

Mixtral 8x7B generates approximately 130 tokens per second, while Llama 3 (8B) delivers 210 tokens per second. In latency-sensitive production environments, Llama 3 (8B) provides faster time-to-first-token (TTFT) and higher streaming response velocity.

Can you implement a tiered LLM routing setup combining Mixtral 8x7B and Llama 3 (8B) to optimize costs?+

Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Llama 3 (8B) to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to Mixtral 8x7B. This tiered routing pattern cuts overall API bills by up to 70%.

AI Terminology & Guide
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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.

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