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GPT-5.4 minivsKimi K2.7 Code

Kimi K2.7 Code leads 4 of 5 shared benchmarks. GPT-5.4 mini has the larger context window (400K tokens).

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

Shared benchmarks
1 – 4
Kimi K2.7 Code leads
Cheaper per token
list price, input + output
Larger context
GPT-5.4 mini
400K tokens
Provider uptime (30d)
95.1807% · 100%
OpenAI · Moonshot AI
GPT-5.4 mini
OpenAI · released 2026-03-17
textvision
Context
400K
Max out
128K
Input /1M
$0.75
Output /1M
$4.5
Cached /1M
$0.075
Scores
10 · 6 core
Kimi K2.7 Code
Moonshot AI · released 2026-06-12
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
11 · 5 core
Quality

Benchmark matrix

BenchmarkGPT-5.4 miniKimi K2.7 CodeΔEdge
Reported by both · 5
GPQA Diamond88% 87.9% epoch+0.1 ptGPT-5.4 mini
FrontierMath Tier 4 v2 (Epoch AI run)9.8% epoch12.2% epoch-2.4 ptKimi K2.7 Code
FrontierMath Tiers 1-3 v2 (Epoch AI run)51.2% epoch54% epoch-2.8 ptKimi K2.7 Code
OTIS Mock AIME 2024-2025 (Epoch AI run)88.9% epoch95.6% epoch-6.7 ptKimi K2.7 Code
SimpleQA Verified29.4% epoch36.5% epoch-7.1 ptKimi K2.7 Code
Only GPT-5.4 mini reports · 4
OSWorld-Verified72.1% not reported
SWE-Bench Pro54.4% not reported
Terminal-Bench 2.060% not reported
Toolathlon42.9% not reported
Only Kimi K2.7 Code reports · 6
Kimi Claw 24/7 Benchnot reported46.9%
Kimi Code Bench v2not reported62%
MCP-Atlasnot reported76%
MCPMark-Verifiednot reported81.1%
MLS-Bench-Litenot reported35.1%
ProgramBenchnot reported53.6%
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-5.4 mini minus Kimi K2.7 Code 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

SpecGPT-5.4 miniKimi K2.7 CodeEdge
Context window400K tokens256K tokensGPT-5.4 mini
Max output128K tokens
Input price / 1M$0.75
Output price / 1M$4.5
Cached input / 1M$0.075
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$5.25
Modalitiestext · visiontext · visionTie
Released2026-03-172026-06-12
Cited benchmark scores1011
Reliability

Provider status

All providers
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