Compare / head-to-head

Claude Opus 5.5vsMiMo-V2.6-Pro

Claude Opus 5.5 leads 2 of 3 shared benchmarks. Both offer a 1M-token context window.

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

Shared benchmarks
2 – 1
Claude Opus 5.5 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Providers
2 providers
Anthropic · Xiaomi MiMo
Claude Opus 5.5
Anthropic · released 2026-09-22
textvision
Context
1M
Max out
128K
Input /1M
$4 ↗
Output /1M
$20 ↗
Cached /1M
$0.2
Scores
9 · 1 core
MiMo-V2.6-Pro
Xiaomi MiMo · released 2026-09-21
textvisionaudiovideo
Context
1M
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
8 · 0 core
Quality

Benchmark matrix

BenchmarkClaude Opus 5.5MiMo-V2.6-ProΔEdge
Reported by both · 3
AutomationBench 1.0.640% ↗53.1% ↗-13.1 ptMiMo-V2.6-Pro
GDPval-AA v2.11846 ↗1673 ↗+173Claude Opus 5.5
Terminal-Bench 4.066.4% ↗34.9% ↗+31.5 ptClaude Opus 5.5
Only Claude Opus 5.5 reports · 6
Chartography (with tools)89% ↗not reported——
CursorBench 4.057.8% ↗not reported——
FrontierCode v1.1 (Main)54.4% ↗not reported——
Humanity's Last Exam (with tools)67.7% ↗not reported——
OSWorld 2.0 (partial)81.8% ↗not reported——
Terminal-Bench Science 0.158.7% ↗not reported——
Only MiMo-V2.6-Pro reports · 5
Agents' Last Examnot reported31.6% ↗——
DeepSWE v1.1not reported71.9% ↗——
JobBenchnot reported62% ↗——
OSWorld-Verifiednot reported82% ↗——
Terminal-Bench 2.1not reported89.9% ↗——
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 5.5 minus MiMo-V2.6-Pro 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 5.5MiMo-V2.6-ProEdge
Context window1M tokens1M tokensTie
Max output128K tokens——
Input price / 1M$4 ↗——
Output price / 1M$20 ↗——
Cached input / 1M$0.2 ↗——
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$24——
Modalitiestext · visiontext · vision · audio · videoMiMo-V2.6-Pro
Released2026-09-222026-09-21—
Cited benchmark scores98—
Reliability

Provider status

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