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GPT-6 Luna vs Command A+

Detailed technical comparison between GPT-6 Luna (OpenAI) and Command A+ (Cohere). 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 WinsvsCommand A+: 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 →
Cohereactive

Command A+

Command A+ is an advanced artificial intelligence model engineered by Cohere. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Command A+ represents a key architectural iteration in the Cohere 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 192,000 tokens (approximately 256 words), Command A+ processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Command A+ Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6 LunaCommand A+
ProviderOpenAICohere
Context Window1,050,000 tokens🏆192,000 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.)Stable GA (est.)
API AvailableYesYes
Released Date2026-09-222026-09-22

API Pricing Comparison

Input Price per Million Tokens

GPT-6 Luna

$0.10

Command A+

$2.50

Output Price per Million Tokens

GPT-6 Luna

$0.50

Command A+

$10.00

💡 Cost Ratio: GPT-6 Luna is 25.0x cheaper per input token than Command A+.

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%vs80.6%+0.8% Command A+
GPT-6 Luna
Command A+ 🏆
HumanEvalPython coding & logic synthesis
78.0%vs78.8%+0.8% Command A+
GPT-6 Luna
Command A+ 🏆
MATHComplex mathematical problem solving
55.2%vs56.0%+0.8% Command A+
GPT-6 Luna
Command A+ 🏆
GPQAGraduate-level expert reasoning
40.6%vs41.4%+0.8% Command A+
GPT-6 Luna
Command A+ 🏆
HellaSwagCommonsense reasoning and inference
82.8%vs83.6%+0.8% Command A+
GPT-6 Luna
Command A+ 🏆
MT-BenchMulti-turn conversation flow quality
8.5%vs8.6%+0.1% Command A+
GPT-6 Luna
Command A+ 🏆

GPT-6 Luna Quirks & Gotchas

No developer gotchas reported.

Command A+ Quirks & Gotchas

No developer gotchas reported.

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