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Compare / head-to-head

MiniMax M2.5vsSeed2.1 Pro

MiniMax M2.5 and Seed2.1 Pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples.

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

Shared benchmarks
0
no overlap yet
Cheaper per token
list price, input + output
Larger context
both 205K tokens
Provider uptime (30d)
100% · —
MiniMax · ByteDance Seed
MiniMax M2.5
MiniMax · released 2026-02-12
text
Context
205K
Max out
Input /1M
$0.3
Output /1M
$1.2
Cached /1M
$0.03
Scores
1 · 1 core
Seed2.1 Pro
ByteDance Seed · released 2026-07-13
textvisionvideo
Context
Max out
Input /1M
Output /1M
Cached /1M
Scores
26 · 2 core
Quality

Benchmark matrix

BenchmarkMiniMax M2.5Seed2.1 ProΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only MiniMax M2.5 reports · 1
LMArena Elo1358.9 not reported
Only Seed2.1 Pro reports · 26
Agent Startup Benchnot reported68.8%
BabyVisionnot reported73.7%
BeyondAIMEnot reported87%
CharXiv-RQnot reported85.4%
CharXiv-RQ (with tools)not reported86.4%
ERQAnot reported72%
KINAnot reported48.3%
MathVisionnot reported92.6%
MathVision (with tools)not reported94.5%
Minerva Video Reasoningnot reported70.7%
MMLongBench 128Knot reported78.3%
MMMU-Pronot reported81.6%
MMMU-Pro (with tools)not reported82.7%
NL2Repo-Benchnot reported47%
OVOBenchnot reported80.7%
SuperGPQAnot reported70.8%
SWE-Atlasnot reported35.2%
Terminal-Bench 2.1not reported71%
TOMATOnot reported79.5%
VideoMMEnot reported89.2%
VideoSimpleQAnot reported76.4%
Workspace Benchnot reported53%
WorldVQAnot reported53%
xDailyBenchnot reported61%
ZEROBenchnot reported18%
ZEROBench (with tools)not reported22%
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 MiniMax M2.5 minus Seed2.1 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

SpecMiniMax M2.5Seed2.1 ProEdge
Context window205K tokens
Max output
Input price / 1M$0.3
Output price / 1M$1.2
Cached input / 1M$0.03
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$1.5
Modalitiestexttext · vision · videoSeed2.1 Pro
Released2026-02-122026-07-13
Cited benchmark scores126
Reliability

Provider status

All providers
More matchups

MiniMax M2.5 vs …

More matchups

Seed2.1 Pro vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run MiniMax M2.5 and Seed2.1 Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.