Model profile
OpenAI
New in 2026

GPT-5.6 Luna (max)

GPT-5.6 Luna (max) is a budget-priced text-first model from OpenAI with heavy runtime profile, partial context coverage, and the clearest fit around agent workflows / coding.

Best for: Agent workflows / CodingHeavy latencyN/A contextBudget pricing
Intelligence
52.3

Benchmark blend

Coding
71.4

Dev workflow signal

Context
N/A

N/A

Input Price
$0.20

Budget tier

Decision snapshot
62

GPT-5.6 Luna (max) currently reads as a budget text-first option with partially published context and a heavy runtime profile.

Overall profile
Selective fit
Best for
Agent workflows / Coding
Latency tier
Heavy
Price tier
Budget
Source coverage
OpenRouterArtificial Analysis

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
52.3
52

General reasoning and benchmark headroom.

Situational
Speed
165 tok/s
50

TTFT 65.59s

Situational
Context
N/A
N/A

How much prompt and task state can stay in view.

Unavailable
Price
$0.20
86

$1.20 output / 1M

Efficient

Editorial Profile

GPT-5.6 Luna (max) in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Selective fitCoding score 71Math score N/A

The GPT-5.6 Luna (max) AI model by OpenAI.

Identity

OpenAI text-first profile

Positioning

Agent workflows / Coding with partially published context and heavy runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Coding indicators point to a strong developer workflow fit.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Latency profile is better for deliberate runs than rapid back-and-forth chat.

  • Current metadata points to a text-first profile rather than a broad multimodal one.

  • Context limits are only partially published, so long-session planning needs extra validation.

Best fit
  • Code generation, refactors, test writing, and tool-assisted debugging.

Explore Next

Similar profiles worth opening next

OpenAI

GPT-5.6 Sol (max)

Intelligence
60.9
Context
N/A
Input Price
$5.00
OpenAI

OpenAI: GPT-5.6 Sol

Intelligence
59.0
Context
1050K Tokens
Input Price
$5.00
OpenAI

GPT-5.6 Sol (high)

Intelligence
57.3
Context
N/A
Input Price
$5.00

Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
52.3
GPQA
91.1%
HLE
39.5%
Coding

Software implementation, debugging quality, and coding benchmark signal.

Coding Index
71.4
SciCode
52.5%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

LCR
78.3%

Extra benchmark cuts are not available for this category yet.

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
N/A
Vision
Text-first
Price architecture
Input
per 1M input tokens
$0.20
Output
per 1M output tokens
$1.20
Blended
AA 3:1 mix
$0.45

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.