Verified 2026 API Rates • Prompt Caching & Batch ROI

OpenAI: GPT-6.1 Terra vs Qwen: Qwen3 Coder 480B A35B

Compare real-world API costs for OpenAI: GPT-6.1 Terra ($1/$5) vs Qwen: Qwen3 Coder 480B A35B ($0.3/$1). Calculate Prompt Caching ROI & Batch API savings.

Qwen: Qwen3 Coder 480B A35B saves up to 70% on base input tokens
OpenAI

OpenAI: GPT-6.1 Terra

gpt-6.1-terra
Base Input Rate
$1.00 / 1M
Output Rate
$5.00 / 1M
Prompt Cache Read
$0.050 / 1M (-95%)
Cache Write Surcharge
$0.00 (Free write)
Batch API Discount
-50% Off
Context Window
1,050k tokens
Quality Index (MMLU)
87.8
Alibaba Qwen

Qwen: Qwen3 Coder 480B A35B

qwen3-coder
Base Input Rate
$0.30 / 1M
Output Rate
$1.00 / 1M
Prompt Cache Read
$0.10 / 1M (-66.67%)
Cache Write Surcharge
$0.00 (Free write)
Batch API Discount
-40% Off
Context Window
262.144k tokens
Quality Index (MMLU)
78
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 OpenAI: GPT-6.1 Terra and Qwen: Qwen3 Coder 480B A35B:

OpenAI: GPT-6.1 Terra Caching Profile-95% read discount

  • Cached Read Price: $0.050 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.

Qwen: Qwen3 Coder 480B A35B Caching Profile-66.67% 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.
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
OpenAI: GPT-6.1 Terra$1.00 / $5.00$0.50 / $2.50 (-50%)24 Hours max (typically 30m - 2h)Bulk evaluation, dataset labeling, background summarization
Qwen: Qwen3 Coder 480B A35B$0.30 / $1.00$0.15 / $0.50 (-50%)24 Hours max (typically 30m - 2h)Offline 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.

OpenAI: GPT-6.1 Terra Context Capacity

Provides a 1,050k token context window with a maximum output limit of 128k tokens.✓ Flat-rate billing across all prompt sizes up to max context ceiling.

Qwen: Qwen3 Coder 480B A35B Context Capacity

Provides a 262.144k token context window with a maximum output limit of 65.536k 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.

OpenAI: GPT-6.1 Terra:$300.63/mo
Qwen: Qwen3 Coder 480B A35B:$92.50/mo
Delta Savings:-$208.13 (69%)
Architecture Verdict:Qwen: Qwen3 Coder 480B A35B delivers 69% lower monthly spend ($208.13/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.

OpenAI: GPT-6.1 Terra:$174.36/mo
Qwen: Qwen3 Coder 480B A35B:$52.64/mo
Delta Savings:-$121.72 (70%)
Architecture Verdict:Qwen: Qwen3 Coder 480B A35B delivers 70% lower monthly spend ($121.72/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).

OpenAI: GPT-6.1 Terra:$616.25/mo
Qwen: Qwen3 Coder 480B A35B:$192.00/mo
Delta Savings:-$424.25 (69%)
Architecture Verdict:Qwen: Qwen3 Coder 480B A35B delivers 69% lower monthly spend ($424.25/mo savings) for this workload profile.
Motor Interactivo en Tiempo Real

OpenAI: GPT-6.1 Terra vs Qwen: Qwen3 Coder 480B A35B

Cálculos de costos mensuales en 3 cargas de trabajo empresariales habituales (RAG, Agente de Código y Limpieza por Lotes):

Live 50ms Engine
Peticiones Mensuales100,000
Tokens de Entrada / Pet.4,000
Tokens de Salida1,000
Tasa de Acierto de Caché70%
Descarga a Batch API0%
Qwen: Qwen3 Coder 480B A35B Más Económico

ahorra aproximadamente

OpenAI: GPT-6.1 Terra$634.00$6.340// 1k peticiones
vs
Qwen: Qwen3 Coder 480B A35B$164.00$1.640// 1k peticiones
Developer FAQs

Frequently Asked Questions: OpenAI: GPT-6.1 Terra vs Qwen: Qwen3 Coder 480B A35B

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

1Which model is cheaper overall: OpenAI: GPT-6.1 Terra or Qwen: Qwen3 Coder 480B A35B?

At base pricing, OpenAI: GPT-6.1 Terra costs $1/1M input and $5/1M output, while Qwen: Qwen3 Coder 480B A35B costs $0.3/1M input and $1/1M 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 OpenAI: GPT-6.1 Terra vs Qwen: Qwen3 Coder 480B A35B?

OpenAI: GPT-6.1 Terra offers a 95% read discount ($0.05/1M), whereas Qwen: Qwen3 Coder 480B A35B provides a 66.67% read discount ($0.1/1M). High cache hit ratios (>70%) significantly compress the cost delta in agentic and RAG architectures.

3Can I use Batch API with OpenAI: GPT-6.1 Terra or Qwen: Qwen3 Coder 480B A35B to save 50%?

OpenAI: GPT-6.1 Terra supports 50% batch offload discounts for asynchronous 24-hour turnaround tasks. Qwen: Qwen3 Coder 480B A35B supports 50% batch discounts.

4What are the context window limits and tiered pricing rules for OpenAI: GPT-6.1 Terra vs Qwen: Qwen3 Coder 480B A35B?

OpenAI: GPT-6.1 Terra features a 1,050k context window with flat per-token pricing. In comparison, Qwen: Qwen3 Coder 480B A35B supports 262.144k tokens with flat per-token pricing.