Compare / head-to-head

Claude Opus 4.8vsMiMo-V2.6-Flash

Claude Opus 4.8 leads 5 of 7 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
5 – 2
Claude Opus 4.8 leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Providers
2 providers
Anthropic · Xiaomi MiMo
Claude Opus 4.8
Anthropic · released 2026-05-28
textvision
Context
1M
Max out
128K
Input /1M
$5 ↗
Output /1M
$25 ↗
Cached /1M
$0.5
Scores
47 · 16 core
MiMo-V2.6-Flash
Xiaomi MiMo · released 2026-09-21
textvisionaudiovideo
Context
1M
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
12 · 3 core
Quality

Benchmark matrix

BenchmarkClaude Opus 4.8MiMo-V2.6-FlashΔEdge
Reported by both · 7
LMArena Elo1452.7 ↗1451.8 ↗+0.9Claude Opus 4.8
LMArena Agent (LMArena)0.0664 ↗-0.0057 ↗+0.1Claude Opus 4.8
LMArena Vision (LMArena)1286.4 ↗1247.5 ↗+38.9Claude Opus 4.8
OSWorld-Verified83.4% ↗80.8% ↗+2.6 ptClaude Opus 4.8
SAGE (Vals AI)54.8% ↗43.5% ↗+11.3 ptClaude Opus 4.8
Terminal-Bench 2.174.6% ↗87.6% ↗-13 ptMiMo-V2.6-Flash
Terminal-Bench 4.0 (Vals AI)23.2% ↗24.2% ↗-1 ptMiMo-V2.6-Flash
Only Claude Opus 4.8 reports · 33
SWE-bench Verified88.6% ↗not reported——
GPQA Diamond93.6% ↗not reported——
AIME 2026100% ↗matharena ⚠not reported——
Humanity's Last Exam (no tools)49.8% ↗not reported——
APEX-Agents (Mercor)48.9% ↗not reported——
BrowseComp84.3% ↗not reported——
Chess Puzzles (Epoch AI run)34% ↗epoch runnot reported——
DeepSWE v1.1 (Datacurve)59% ↗not reported——
EBR-bench (Epoch AI run)28.6% ↗epoch runnot reported——
FrontierMath Tier 4 v2 (Epoch AI run)56.1% ↗epoch runnot reported——
FrontierMath Tiers 1-3 v2 (Epoch AI run)80% ↗epoch runnot reported——
Furniture Assembly (Epoch AI run)42.5% ↗epoch runnot reported——
GSO Opt@1 (GSO)47.1% ↗not reported——
Humanity's Last Exam (with tools)57.9% ↗not reported——
LiveBench Agentic Coding (LiveBench)50.5% ↗not reported——
LiveBench Coding (LiveBench)81.8% ↗not reported——
LiveBench Data Analysis (LiveBench)66% ↗not reported——
LiveBench Instruction Following (LiveBench)72% ↗not reported——
LiveBench Language (LiveBench)79.7% ↗not reported——
LiveBench Mathematics (LiveBench)94.3% ↗not reported——
LiveBench Reasoning (LiveBench)89.2% ↗not reported——
LMArena WebDev (LMArena)1555.5 ↗not reported——
Mystery Game Puzzles (Epoch AI run)36% ↗epoch runnot reported——
OTIS Mock AIME 2024-2025 (Epoch AI run)98.3% ↗epoch runnot reported——
SimpleBench (SimpleBench)64.8% ↗not reported——
SimpleQA Verified53% ↗epoch runnot reported——
SWE-bench Multilingual84.4% ↗not reported——
SWE-bench Multimodal38.4% ↗not reported——
SWE-Bench Pro69.2% ↗not reported——
tau2-bench Banking Knowledge (Sierra)39.7% ↗not reported——
Toolathlon-Verified (HKUST)76.2% ↗not reported——
Vending-Bench 2 (Andon Labs)5787.43 ↗not reported——
WeirdML (Håvard Tveit Ihle)82.9% ↗not reported——
Only MiMo-V2.6-Flash reports · 5
Agents' Last Examnot reported27.6% ↗——
AutomationBench 1.0.6not reported52.3% ↗——
DeepSWE v1.1not reported67.9% ↗——
JobBenchnot reported61.2% ↗——
Terminal-Bench 4.0not reported28.8% ↗——
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 4.8 minus MiMo-V2.6-Flash 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 4.8MiMo-V2.6-FlashEdge
Context window1M tokens1M tokensTie
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 · audio · videoMiMo-V2.6-Flash
Released2026-05-282026-09-21—
Cited benchmark scores4712—
Reliability

Provider status

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