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Compare / head-to-head

Gemini 2.5 ProvsSeed2.1 Pro

Gemini 2.5 Pro 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 1.0M tokens
Provider uptime (30d)
100% · —
Google · ByteDance Seed
Gemini 2.5 Pro
Google · released 2025-06-17
textvisionaudio
Context
1.0M
Max out
66K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
14 · 9 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

BenchmarkGemini 2.5 ProSeed2.1 ProΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only Gemini 2.5 Pro reports · 12
SWE-bench Verified59.6% not reported
GPQA Diamond86.4% not reported
AIME 202588% not reported
Humanity's Last Exam (no tools)21.6% not reported
LMArena Elo1457.8 not reported
Aider Polyglot82.2% not reported
FrontierMath Tier 4 v2 (Epoch AI run)0% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)24.6% epochnot reported
LiveCodeBench74.2% not reported
MMMU82% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)84.7% epochnot reported
SWE-bench Verified (Epoch AI run)57.6% epochnot 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 Gemini 2.5 Pro 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

SpecGemini 2.5 ProSeed2.1 ProEdge
Context window1.0M tokens
Max output66K tokens
Input price / 1M$1.25
Output price / 1M$10
Cached input / 1M$0.125
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25
Modalitiestext · vision · audiotext · vision · videoTie
Released2025-06-172026-07-13
Cited benchmark scores1426
Reliability

Provider status

All providers
More matchups

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Which one wins on your data?

Public benchmarks are a starting point. Run Gemini 2.5 Pro and Seed2.1 Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.