Compare / head-to-head

Claude Opus 4.7vsKimi K2.5

Claude Opus 4.7 leads 12 of 12 shared benchmarks. Claude Opus 4.7 has the larger context window (1M tokens).

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

Shared benchmarks
12 – 0
Claude Opus 4.7 leads
Cheaper per token
—
list price, input + output
Larger context
Claude Opus 4.7
1M tokens
Providers
2 providers
Anthropic · Moonshot AI
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
46 · 16 core
Kimi K2.5
Moonshot AI · released 2026-01-27
textvisionvideo
Context
256K
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
26 · 14 core
Quality

Benchmark matrix

BenchmarkClaude Opus 4.7Kimi K2.5ΔEdge
Reported by both · 12
SWE-bench Verified87.6% ↗76.8% ↗+10.8 ptClaude Opus 4.7
LMArena Elo1483.4 ↗1450.1 ↗+33.3Claude Opus 4.7
BrowseComp79.8% ↗60.6% ↗+19.2 ptClaude Opus 4.7
LMArena Vision (LMArena)1298.1 ↗1252.2 ↗+45.9Claude Opus 4.7
LMArena WebDev (LMArena)1557.3 ↗1435.8 ↗+121.5Claude Opus 4.7
SAGE (Vals AI)56.1% ↗49.9% ↗+6.2 ptClaude Opus 4.7
SimpleBench (SimpleBench)61.7% ↗46.8% ↗+14.9 ptClaude Opus 4.7
SimpleQA Verified51.7% ↗epoch run34.3% ↗epoch run+17.4 ptClaude Opus 4.7
SWE-Bench Pro64.3% ↗50.7% ↗+13.6 ptClaude Opus 4.7
SWE-bench Verified (Epoch AI run)83.5% ↗epoch run73.8% ↗epoch run+9.7 ptClaude Opus 4.7
Vending-Bench 2 (Andon Labs)10936.76 ↗1198.46 ↗+9738.3Claude Opus 4.7
WeirdML (Håvard Tveit Ihle)76.4% ↗45.6% ↗+30.8 ptClaude Opus 4.7
Only Claude Opus 4.7 reports · 26
GPQA Diamond94.2% ↗not reported——
AIME 202695.8% ↗matharena ⚠not reported——
Humanity's Last Exam (no tools)46.9% ↗not reported——
APEX-Agents (Mercor)49.2% ↗not reported——
Chess Puzzles (Epoch AI run)30% ↗epoch runnot reported——
EBR-bench (Epoch AI run)19% ↗epoch runnot reported——
FrontierMath Tier 4 v2 (Epoch AI run)31.7% ↗epoch runnot reported——
FrontierMath Tiers 1-3 v2 (Epoch AI run)70.2% ↗epoch runnot reported——
Furniture Assembly (Epoch AI run)33.3% ↗epoch runnot reported——
GSO Opt@1 (GSO)42.2% ↗not reported——
Humanity's Last Exam (with tools)54.7% ↗not reported——
LiveBench Agentic Coding (LiveBench)50.7% ↗not reported——
LiveBench Coding (LiveBench)82.1% ↗not reported——
LiveBench Data Analysis (LiveBench)78.3% ↗not reported——
LiveBench Instruction Following (LiveBench)66.7% ↗not reported——
LiveBench Language (LiveBench)77.9% ↗not reported——
LiveBench Mathematics (LiveBench)92.9% ↗not reported——
LiveBench Reasoning (LiveBench)87.2% ↗not reported——
MirrorCode (Epoch AI run)31.1% ↗epoch runnot reported——
Mystery Game Puzzles (Epoch AI run)28% ↗epoch runnot reported——
OSWorld-Verified82.8% ↗not reported——
OTIS Mock AIME 2024-2025 (Epoch AI run)97.8% ↗epoch runnot reported——
SWE-bench Multilingual80.5% ↗not reported——
SWE-bench Multimodal34.5% ↗not reported——
tau2-bench Banking Knowledge (Sierra)40.2% ↗not reported——
Terminal-Bench 2.166.1% ↗not reported——
Only Kimi K2.5 reports · 14
MMLU-Pronot reported87.1% ↗——
AIME 2025not reported96.1% ↗——
GPQA-Diamondnot reported87.6% ↗——
HLE-Fullnot reported30.1% ↗——
HLE-Full (w/ tools)not reported50.2% ↗——
HMMT 2025 (Feb)not reported95.4% ↗——
IMO-AnswerBenchnot reported81.8% ↗——
LiveCodeBench (v6)not reported85% ↗——
MMMU-Pronot reported78.5% ↗——
OSWorld-Verified (XLANG)not reported63.3% ↗——
SWE-Bench Multilingualnot reported73% ↗——
Terminal Bench 2.0not reported50.8% ↗——
Toolathlon-Verified (HKUST)not reported33% ↗——
VideoMMMUnot reported86.6% ↗——
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 Claude Opus 4.7 minus Kimi K2.5 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 4.7Kimi K2.5Edge
Context window1M tokens256K tokensClaude Opus 4.7
Max output128K tokens——
Input price / 1M$5 ↗——
Output price / 1M$25 ↗——
Cached input / 1M$0.5 ↗——
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$30——
Modalitiestext · visiontext · vision · videoKimi K2.5
Released2026-04-162026-01-27—
Cited benchmark scores4626—
Reliability

Provider status

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Claude Opus 4.7 vs …

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