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GPT-6 Luna vs DeepSeek Flash

Compare GPT-6 Luna vs DeepSeek Flash API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.

AI Overview & Search Executive Summary

GPT-6 Luna charges $0.10/1M input and $0.50/1M output tokens, compared to DeepSeek Flash at $0.15/1M input and $0.60/1M output. GPT-6 Luna is 1.5x cheaper on input tokens. In reasoning benchmarks, DeepSeek Flash holds the higher AA Intelligence Index rating (33/100). For latency-critical streaming, GPT-6 Luna delivers 103 t/s (77.0s TTFT) while DeepSeek Flash provides 170 t/s (46.0s TTFT).

Overall Winner
DeepSeek Flash
Best Price/IQ Balance
Budget Winner
GPT-6 Luna
GPT-6 Luna is 1.5x cheaper on input tokens
Coding & Logic
DeepSeek Flash
Higher Benchmark Rating
Context Window
GPT-6 Luna
Larger Document Context

Full Metric & Specification Comparison

MetricGPT-6 LunaDeepSeek FlashAdvantage
ProviderOpenAIDeepSeek-
Input Token Cost (1M)$0.100$0.150GPT-6 Luna
Output Token Cost (1M)$0.500$0.600GPT-6 Luna
Context Window1,050k tokens1,000k tokensGPT-6 Luna
AA Intelligence Index28/10033/100DeepSeek Flash
Streaming LatencyFastFast-

Key Architectural Takeaways

  • Input Token Cost: GPT-6 Luna is $0.10/1M vs DeepSeek Flash at $0.15/1M
  • Output Token Cost: GPT-6 Luna is $0.50/1M vs DeepSeek Flash at $0.60/1M
  • Context Window: GPT-6 Luna supports 1,050k tokens vs DeepSeek Flash with 1,000k tokens
  • Benchmark Intelligence Rating: GPT-6 Luna scores 28/100 vs DeepSeek Flash at 33/100 (AA Index v5)
  • Inference Latency: GPT-6 Luna is rated Fast vs DeepSeek Flash rated Fast
Interactive Head-to-Head Simulator

Calculate Your Team's Exact Bill Difference

Drag the sliders below to see real-time cost divergences based on your daily token consumption.

Daily Input Tokens500,000 tokens
10k1M5M10M+
Daily Output Tokens250,000 tokens
5k500k2M5M+
GPT-6 LunaOpenAI
22.2% Lower Cost
$5.25/mo
$0.10/1M in · $0.50/1M out
IQ Score28/100
Throughput103 t/s
Context1050k
DeepSeek FlashDeepSeek
$6.75/mo
$0.15/1M in · $0.60/1M out
IQ Score33/100
Throughput170 t/s
Context1000k
Net Financial Advantage

Deploying GPT-6 Luna over DeepSeek Flash saves $1.50/mo ($18/yr) at this volume.

See all DeepSeek Flash alternatives →

Frequently Asked Questions

Is GPT-6 Luna cheaper than DeepSeek Flash?

GPT-6 Luna is significantly more economical, charging $0.10/1M input compared to $0.15/1M for DeepSeek Flash.

Which model should I choose for production?

If your primary constraint is API cost and high query throughput, choose GPT-6 Luna. If you require peak reasoning accuracy and complex tool use, DeepSeek Flash is recommended.

How does context window compare between GPT-6 Luna and DeepSeek Flash?

GPT-6 Luna offers the larger context window (1,050k tokens), allowing you to pass significantly larger codebases or documents without chunking.

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