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GPT-6 Luna vs MiMo-V2.6-Pro

Detailed technical comparison between GPT-6 Luna (OpenAI) and MiMo-V2.6-Pro (Xiaomi). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-6 Luna: 0 WinsvsMiMo-V2.6-Pro: 6 Wins
Context Leader

GPT-6 Luna

1,050,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT-6 Luna

$0.10 / MTok
OpenAIactive

GPT-6 Luna

GPT-6 Luna is an advanced artificial intelligence model engineered by OpenAI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GPT-6 Luna represents a key architectural iteration in the OpenAI model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,050,000 tokens (approximately 1,400 words), GPT-6 Luna processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GPT-6 Luna Full Specs →
Xiaomiactive

MiMo-V2.6-Pro

MiMo-V2.6-Pro is an advanced artificial intelligence model engineered by Xiaomi. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, MiMo-V2.6-Pro represents a key architectural iteration in the Xiaomi model family. First released in 2026-09-21, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), MiMo-V2.6-Pro processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View MiMo-V2.6-Pro Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6 LunaMiMo-V2.6-Pro
ProviderOpenAIXiaomi
Context Window1,050,000 tokens🏆1,048,576 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-09-222026-09-21

API Pricing Comparison

Input Price per Million Tokens

GPT-6 Luna

$0.10

MiMo-V2.6-Pro

$0.43

Output Price per Million Tokens

GPT-6 Luna

$0.50

MiMo-V2.6-Pro

$0.87

💡 Cost Ratio: GPT-6 Luna is 4.3x cheaper per input token than MiMo-V2.6-Pro.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
79.8%vs86.8%+7.0% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆
HumanEvalPython coding & logic synthesis
78.0%vs86.0%+8.0% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆
MATHComplex mathematical problem solving
55.2%vs67.2%+12.0% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆
GPQAGraduate-level expert reasoning
40.6%vs48.6%+8.0% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆
HellaSwagCommonsense reasoning and inference
82.8%vs87.8%+5.0% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆
MT-BenchMulti-turn conversation flow quality
8.5%vs9.0%+0.5% MiMo-V2.6-Pro
GPT-6 Luna
MiMo-V2.6-Pro 🏆

GPT-6 Luna Quirks & Gotchas

No developer gotchas reported.

MiMo-V2.6-Pro Quirks & Gotchas

No developer gotchas reported.

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