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Compare / head-to-head

Command A+vsGPT-5.6 Luna

Command A+ and GPT-5.6 Luna do not yet share a public benchmark, so quality cannot be compared apples-to-apples. GPT-5.6 Luna has the larger context window (1.1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0
no overlap yet
Cheaper per token
list price, input + output
Larger context
GPT-5.6 Luna
1.1M tokens
Provider uptime (30d)
100% · 94.2446%
Cohere · OpenAI
Command A+
Cohere · released 2026-05-20
textvision
Context
128K
Max out
64K
Input /1M
Output /1M
Cached /1M
Scores
9 · 1 core
GPT-5.6 Luna
OpenAI · released 2026-07-09
textvision
Context
1.1M
Max out
128K
Input /1M
$0.2
Output /1M
$1.2
Cached /1M
$0.02
Scores
8 · 6 core
Quality

Benchmark matrix

BenchmarkCommand A+GPT-5.6 LunaΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only Command A+ reports · 9
AIME 202590% not reported
CharXiv Reasoning52.7% not reported
IFBench74% not reported
MathVista80.6% not reported
MMMU75.1% not reported
MMMU-Pro63% not reported
SciCode38% not reported
Tau2-bench Telecom85% not reported
Terminal-Bench Hard25% not reported
Only GPT-5.6 Luna reports · 7
GPQA Diamondnot reported92.3%
DeepSWE v1.1not reported67.2%
FrontierMath Tier 4 v2 (Epoch AI run)not reported61% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported82.1% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported98.3% epoch
SimpleQA Verifiednot reported41% epoch
SWE-Bench Pronot reported62.7%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Command A+ minus GPT-5.6 Luna in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecCommand A+GPT-5.6 LunaEdge
Context window128K tokens1.1M tokensGPT-5.6 Luna
Max output64K tokens128K tokensGPT-5.6 Luna
Input price / 1M$0.2
Output price / 1M$1.2
Cached input / 1M$0.02
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$1.4
Modalitiestext · visiontext · visionTie
Released2026-05-202026-07-09
Cited benchmark scores98
Reliability

Provider status

All providers
More matchups

GPT-5.6 Luna vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Command A+ and GPT-5.6 Luna on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.