Compare / head-to-head

DeepSeek V3.1-TerminusvsKimi K2.5

Kimi K2.5 leads 4 of 4 shared benchmarks. Kimi K2.5 has the larger context window (256K tokens).

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

Shared benchmarks
0 – 4
Kimi K2.5 leads
Cheaper per token
—
list price, input + output
Larger context
Kimi K2.5
256K tokens
Providers
2 providers
DeepSeek · Moonshot AI
DeepSeek V3.1-Terminus
DeepSeek · released 2025-09-22
text
Context
128K
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
12 · 5 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

BenchmarkDeepSeek V3.1-TerminusKimi K2.5ΔEdge
Reported by both · 4
MMLU-Pro85% ↗87.1% ↗-2.1 ptKimi K2.5
LMArena Elo1417.2 ↗1450.1 ↗-32.9Kimi K2.5
BrowseComp38.5% ↗60.6% ↗-22.1 ptKimi K2.5
GPQA-Diamond80.7% ↗87.6% ↗-6.9 ptKimi K2.5
Only DeepSeek V3.1-Terminus reports · 8
Humanity's Last Exam (no tools)21.7% ↗not reported——
Aider-Polyglot76.1% ↗not reported——
BrowseComp-zh45% ↗not reported——
LiveCodeBench74.9% ↗not reported——
SimpleQA (agentic tool use)96.8% ↗not reported——
SWE Verified68.4% ↗not reported——
SWE-bench Multilingual57.8% ↗not reported——
Terminal-bench36.7% ↗not reported——
Only Kimi K2.5 reports · 22
SWE-bench Verifiednot reported76.8% ↗——
AIME 2025not reported96.1% ↗——
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% ↗——
LMArena Vision (LMArena)not reported1252.2 ↗——
LMArena WebDev (LMArena)not reported1435.8 ↗——
MMMU-Pronot reported78.5% ↗——
OSWorld-Verified (XLANG)not reported63.3% ↗——
SAGE (Vals AI)not reported49.9% ↗——
SimpleBench (SimpleBench)not reported46.8% ↗——
SimpleQA Verifiednot reported34.3% ↗epoch run——
SWE-Bench Multilingualnot reported73% ↗——
SWE-Bench Pronot reported50.7% ↗——
SWE-bench Verified (Epoch AI run)not reported73.8% ↗epoch run——
Terminal Bench 2.0not reported50.8% ↗——
Toolathlon-Verified (HKUST)not reported33% ↗——
Vending-Bench 2 (Andon Labs)not reported1198.46 ↗——
VideoMMMUnot reported86.6% ↗——
WeirdML (Håvard Tveit Ihle)not reported45.6% ↗——
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 DeepSeek V3.1-Terminus 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

SpecDeepSeek V3.1-TerminusKimi K2.5Edge
Context window128K tokens256K tokensKimi K2.5
Max output———
Input price / 1M———
Output price / 1M———
Cached input / 1M———
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
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Modalitiestexttext · vision · videoKimi K2.5
Released2025-09-222026-01-27—
Cited benchmark scores1226—
Reliability

Provider status

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