Verified 2026 API Rates • Prompt Caching & Batch ROI

Meta: Llama 4 Scout vs ByteDance Seed: Seed 2.1 Turbo

Compare real-world API costs for Meta: Llama 4 Scout ($0.1/$0.3) vs ByteDance Seed: Seed 2.1 Turbo ($0.5/$2.5). Calculate Prompt Caching ROI & Batch API savings.

Meta: Llama 4 Scout saves up to 80% on base input tokens
Meta

Meta: Llama 4 Scout

llama-4-scout
Base Input Rate
$0.10 / 1M
Output Rate
$0.30 / 1M
Prompt Cache Read
$0.10 / 1M (-0%)
Cache Write Surcharge
$0.00 (Free write)
Batch API Discount
Not Supported
Context Window
1,310.72k tokens
Quality Index (MMLU)
78
ByteDance

ByteDance Seed: Seed 2.1 Turbo

seed-2-1-turbo
Base Input Rate
$0.50 / 1M
Output Rate
$2.50 / 1M
Prompt Cache Read
$0.20 / 1M (-60%)
Cache Write Surcharge
$0.00 (Free write)
Batch API Discount
Not Supported
Context Window
262.144k tokens
Quality Index (MMLU)
88
Differential Module 1

Prompt Caching ROI & Write Surcharge Break-Even Analysis

Prompt caching drastically reduces input token costs for static prefixes like system prompts, tool schemas, and document chunks. Compare caching mechanisms between Meta: Llama 4 Scout and ByteDance Seed: Seed 2.1 Turbo:

Meta: Llama 4 Scout Caching Profile-0% read discount

  • Cached Read Price: $0.100 per 1M tokens.
  • Write Surcharge: $0.00 (automatic caching with zero write penalty).
  • Minimum Cache Prefix: 1,024 tokens.
  • Amortization Rule: Immediate net savings from first cached read call.

ByteDance Seed: Seed 2.1 Turbo Caching Profile-60% read discount

  • Cached Read Price: $0.200 per 1M tokens.
  • Write Surcharge: $0.00 (automatic caching with zero write penalty).
  • Minimum Cache Prefix: 1,024 tokens.
  • Amortization Rule: Immediate net savings from first cached read call.
Differential Module 2

Batch API 50% Discount Offload vs Real-Time SLA

Asynchronous Batch APIs cut total token expenditures in half (50% off input and output) in exchange for non-realtime execution (up to 24-hour turnaround SLA).

Model / ArchitectureStandard Input / OutputBatch 50% Off Input / OutputTurnaround SLAOptimal Use Cases
Meta: Llama 4 Scout$0.10 / $0.30Standard on-demand rateInstant real-timeBulk evaluation, dataset labeling, background summarization
ByteDance Seed: Seed 2.1 Turbo$0.50 / $2.50Standard on-demand rateInstant real-timeOffline document translation, embedding backfills, test suites
Differential Module 3

Context Window Escalation & Tiered Pricing Architecture

Massive context windows allow ingesting entire repositories or books, but pricing models differ drastically between flat-rate vendors and tiered step-up pricing.

Meta: Llama 4 Scout Context Capacity

Provides a 1,310.72k token context window with a maximum output limit of 16.384k tokens.✓ Flat-rate billing across all prompt sizes up to max context ceiling.

ByteDance Seed: Seed 2.1 Turbo Context Capacity

Provides a 262.144k token context window with a maximum output limit of 235.929k tokens.✓ Flat-rate billing across all prompt sizes up to max context ceiling.

Quill Strategic Content

Real-World Production Scenarios: Monthly Spend Projections

Pre-computed monthly engineering bill projections across 3 representative enterprise application workloads:

Scenario 1

RAG Knowledge Base & Enterprise Search

100,000 queries/month, 3,500 input tokens (system + 5 retrieved chunks), 400 output tokens, 75% prompt cache hit rate.

Meta: Llama 4 Scout:$47.00/mo
ByteDance Seed: Seed 2.1 Turbo:$196.25/mo
Delta Savings:-$149.25 (76%)
Architecture Verdict:Meta: Llama 4 Scout delivers 76% lower monthly spend ($149.25/mo savings) for this workload profile.
Scenario 2

Multi-Turn Coding Agent & ReAct Loops

25,000 tasks/month, 8,000 input tokens (accumulating conversation context & tool schemas), 1,200 output tokens, 85% cache hit rate.

Meta: Llama 4 Scout:$29.00/mo
ByteDance Seed: Seed 2.1 Turbo:$124.00/mo
Delta Savings:-$95.00 (77%)
Architecture Verdict:Meta: Llama 4 Scout delivers 77% lower monthly spend ($95.00/mo savings) for this workload profile.
Scenario 3

High-Throughput Offline Data Extraction

500,000 records/month, 1,500 input tokens, 250 output tokens, 100% batch offload (24-hour turnaround SLA).

Meta: Llama 4 Scout:$112.50/mo
ByteDance Seed: Seed 2.1 Turbo:$642.50/mo
Delta Savings:-$530.00 (82%)
Architecture Verdict:Meta: Llama 4 Scout delivers 82% lower monthly spend ($530.00/mo savings) for this workload profile.
밀리초 단위 실시간 반응형 엔진

Meta: Llama 4 Scout vs ByteDance Seed: Seed 2.1 Turbo

기업의 대표 3대 워크로드(RAG 지식 검색, 코딩 에이전트, 오프라인 배치 추출)에 대한 정밀 청구액 산출:

Live 50ms Engine
월간 요청 건수 (Requests)100,000
요청당 입력 토큰 (Input Tokens)4,000
요청당 출력 토큰 (Output Tokens)1,000
프롬프트 캐시 적중률 (Cache Hit Rate)70%
Batch API 오프로드 비율0%
Meta: Llama 4 Scout 더 저렴함

월간 예상 절감액

Meta: Llama 4 Scout$70.00$0.700// 1천 회 요청
vs
ByteDance Seed: Seed 2.1 Turbo$366.00$3.660// 1천 회 요청
Developer FAQs

Frequently Asked Questions: Meta: Llama 4 Scout vs ByteDance Seed: Seed 2.1 Turbo

Authoritative answers on API rate limits, pricing math, break-even thresholds, and architectural migration.

1Which model is cheaper overall: Meta: Llama 4 Scout or ByteDance Seed: Seed 2.1 Turbo?

At base pricing, Meta: Llama 4 Scout costs $0.1/1M input and $0.3/1M output, while ByteDance Seed: Seed 2.1 Turbo costs $0.5/1M input and $2.5/1M output. The cheaper option depends on your input-to-output token ratio and whether prompt caching or batch discounts are utilized.

2How does Prompt Caching impact the cost of Meta: Llama 4 Scout vs ByteDance Seed: Seed 2.1 Turbo?

Meta: Llama 4 Scout offers a 0% read discount ($0.1/1M), whereas ByteDance Seed: Seed 2.1 Turbo provides a 60% read discount ($0.2/1M). High cache hit ratios (>70%) significantly compress the cost delta in agentic and RAG architectures.

3Can I use Batch API with Meta: Llama 4 Scout or ByteDance Seed: Seed 2.1 Turbo to save 50%?

Meta: Llama 4 Scout does not have a native 50% batch endpoint. ByteDance Seed: Seed 2.1 Turbo uses low base on-demand pricing.

4What are the context window limits and tiered pricing rules for Meta: Llama 4 Scout vs ByteDance Seed: Seed 2.1 Turbo?

Meta: Llama 4 Scout features a 1,310.72k context window with flat per-token pricing. In comparison, ByteDance Seed: Seed 2.1 Turbo supports 262.144k tokens with flat per-token pricing.