ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

Gemini 3.1 Pro PreviewvsGLM-5

Gemini 3.1 Pro Preview leads 4 of 4 shared benchmarks. GLM-5 is 3.3x cheaper per token. Gemini 3.1 Pro Preview has the larger context window (1.0M tokens).

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

Shared benchmarks
4 – 0
Gemini 3.1 Pro Preview leads
Cheaper per token
GLM-5
3.3x cheaper, input + output
Larger context
Gemini 3.1 Pro Preview
1.0M tokens
Provider uptime (30d)
100% · —
Google · Z.ai
Gemini 3.1 Pro Preview
Google · released 2026-02-19
textvisionaudio
Context
1.0M
Max out
66K
Input /1M
$2
Output /1M
$12
Cached /1M
$0.2
Scores
10 · 8 core
GLM-5
Z.ai
text
Context
200K
Max out
131K
Input /1M
$1
Output /1M
$3.2
Cached /1M
$0.2
Scores
8 · 7 core
Quality

Benchmark matrix

BenchmarkGemini 3.1 Pro PreviewGLM-5ΔEdge
Reported by both · 4
GPQA Diamond94.3% 87.8% epoch+6.5 ptGemini 3.1 Pro Preview
AIME 202698.3% matharena96.7% matharena+1.6 ptGemini 3.1 Pro Preview
LMArena Elo1480.1 1446.3 +33.8Gemini 3.1 Pro Preview
OTIS Mock AIME 2024-2025 (Epoch AI run)95.6% epoch80% epoch+15.6 ptGemini 3.1 Pro Preview
Only Gemini 3.1 Pro Preview reports · 5
ARC-AGI-277.1% not reported
FrontierMath Tier 4 v2 (Epoch AI run)26.8% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)59.6% epochnot reported
SimpleQA Verified73.5% epochnot reported
SWE-Bench Pro54.2% not reported
Only GLM-5 reports · 4
SWE-bench Verifiednot reported77.8%
AIME 2025not reported96.7% matharena
SWE-bench Verified (Epoch AI run)not reported72.1% epoch
Terminal-Bench 2.0not reported56.2%
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 3.1 Pro Preview minus GLM-5 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 3.1 Pro PreviewGLM-5Edge
Context window1.0M tokens200K tokensGemini 3.1 Pro Preview
Max output66K tokens131K tokensGLM-5
Input price / 1M$2 $1 GLM-5
Output price / 1M$12 $3.2 GLM-5
Cached input / 1M$0.2 $0.2 Tie
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$14$4.2GLM-5
Modalitiestext · vision · audiotextGemini 3.1 Pro Preview
Released2026-02-19
Cited benchmark scores108
Reliability

Provider status

All providers
More matchups

Gemini 3.1 Pro Preview vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Gemini 3.1 Pro Preview and GLM-5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.