Compare / head-to-head
GPT-5.6 LunavsQwen3.8-Max
Qwen3.8-Max leads 4 of 6 shared benchmarks. GPT-5.6 Luna is 4.7x cheaper per token. 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
2 – 4
Qwen3.8-Max leads
Cheaper per token
GPT-5.6 Luna
4.7x cheaper, input + output
Larger context
GPT-5.6 Luna
1.1M tokens
Provider uptime (30d)
94.6667% · —
OpenAI · Qwen
GPT-5.6 Luna
OpenAI · released 2026-07-09
textvision
Qwen3.8-Max
Qwen · released 2026-08-02
textvision
Quality
Benchmark matrix
6 shared · 1 only GPT-5.6 Luna · 2 only Qwen3.8-Max| Benchmark | GPT-5.6 Luna | Qwen3.8-Max | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| GPQA Diamond | 92.3% ↗ | 92.6% ↗ | -0.3 pt | Qwen3.8-Max |
| FrontierMath Tier 4 v2 (Epoch AI run) | 61% ↗epoch | 46.3% ↗epoch | +14.7 pt | GPT-5.6 Luna |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 82.1% ↗epoch | 74.7% ↗epoch | +7.4 pt | GPT-5.6 Luna |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 98.3% ↗epoch | 99.4% ↗epoch | -1.1 pt | Qwen3.8-Max |
| SimpleQA Verified | 41% ↗epoch | 45.8% ↗epoch | -4.8 pt | Qwen3.8-Max |
| SWE-Bench Pro | 62.7% ↗ | 67.7% ↗ | -5 pt | Qwen3.8-Max |
| Only GPT-5.6 Luna reports · 1 | ||||
| DeepSWE v1.1 | 67.2% ↗ | not reported | — | — |
| Only Qwen3.8-Max reports · 2 | ||||
| LMArena Elo | not reported | 1480.6 ↗ | — | — |
| Terminal-Bench 2.1 | not reported | 86.6% ↗ | — | — |
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 GPT-5.6 Luna minus Qwen3.8-Max 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
Official pricing pages and model cards| Spec | GPT-5.6 Luna | Qwen3.8-Max | Edge |
|---|---|---|---|
| Context window | 1.1M tokens | 1M tokens | GPT-5.6 Luna |
| Max output | 128K tokens | 131K tokens | Qwen3.8-Max |
| Input price / 1M | $0.2 ↗ | $1.65 ↗ | GPT-5.6 Luna |
| Output price / 1M | $1.2 ↗ | $4.95 ↗ | GPT-5.6 Luna |
| Cached input / 1M | $0.02 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.4 | $6.6 | GPT-5.6 Luna |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-07-09 | 2026-08-02 | — |
| Cited benchmark scores | 8 | 9 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
GPT-5.6 Luna vs …
Models sharing the most benchmarksMore matchups
Qwen3.8-Max vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GPT-5.6 Luna and Qwen3.8-Max on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.