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Compare / head-to-head

Claude Opus 4.7vsGPT-5.6 Luna

Claude Opus 4.7 and GPT-5.6 Luna split their 6 shared benchmarks evenly. GPT-5.6 Luna is 21.4x 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
3 – 3
even split
Cheaper per token
GPT-5.6 Luna
21.4x cheaper, input + output
Larger context
GPT-5.6 Luna
1.1M tokens
Provider uptime (30d)
100% · 95.4023%
Anthropic · OpenAI
Claude Opus 4.7
Anthropic · released 2026-04-16
textvision
Context
1M
Max out
128K
Input /1M
$5
Output /1M
$25
Cached /1M
$0.5
Scores
18 · 14 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

BenchmarkClaude Opus 4.7GPT-5.6 LunaΔEdge
Reported by both · 6
GPQA Diamond94.2% 92.3% +1.9 ptClaude Opus 4.7
FrontierMath Tier 4 v2 (Epoch AI run)31.7% epoch61% epoch-29.3 ptGPT-5.6 Luna
FrontierMath Tiers 1-3 v2 (Epoch AI run)70.2% epoch82.1% epoch-11.9 ptGPT-5.6 Luna
OTIS Mock AIME 2024-2025 (Epoch AI run)97.8% epoch98.3% epoch-0.5 ptGPT-5.6 Luna
SimpleQA Verified51.7% epoch41% epoch+10.7 ptClaude Opus 4.7
SWE-Bench Pro64.3% 62.7% +1.6 ptClaude Opus 4.7
Only Claude Opus 4.7 reports · 11
SWE-bench Verified87.6% not reported
AIME 202695.8% matharenanot reported
Humanity's Last Exam (no tools)46.9% not reported
LMArena Elo1483.4 not reported
BrowseComp79.8% not reported
Humanity's Last Exam (with tools)54.7% not reported
OSWorld-Verified82.8% not reported
SWE-bench Multilingual80.5% not reported
SWE-bench Multimodal34.5% not reported
SWE-bench Verified (Epoch AI run)83.5% epochnot reported
Terminal-Bench 2.166.1% not reported
Only GPT-5.6 Luna reports · 1
DeepSWE v1.1not reported67.2%
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 Claude Opus 4.7 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

SpecClaude Opus 4.7GPT-5.6 LunaEdge
Context window1M tokens1.1M tokensGPT-5.6 Luna
Max output128K tokens128K tokensTie
Input price / 1M$5 $0.2 GPT-5.6 Luna
Output price / 1M$25 $1.2 GPT-5.6 Luna
Cached input / 1M$0.5 $0.02 GPT-5.6 Luna
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$30$1.4GPT-5.6 Luna
Modalitiestext · visiontext · visionTie
Released2026-04-162026-07-09
Cited benchmark scores188
Reliability

Provider status

All providers
More matchups

Claude Opus 4.7 vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run Claude Opus 4.7 and GPT-5.6 Luna on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.