Pass IndexThe State of AISign in

GLM 5.1

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks.

text → text · made by Z.ai

$1.4→$4.4per Mtok in / out
Z.ai · 22 sellers

Sold by 48 ways

SellerLaneRate
Writer apistandard$0.98per Mtok in$3.08per Mtok outdev.writer.com · read 2026-08-25
Crusoe cloudstandard$1.2per Mtok in$4.4per Mtok out$0.25per Mtok cachedmodels.dev · read 2026-10-31
DigitalOcean 0 ways$1.3per Mtok in$4.3per Mtok out$0.26per Mtok cached
DigitalOcean cloudnot on the seller's list todaystandard$1.3per Mtok in$4.3per Mtok out$0.26per Mtok cachedmodels.dev · read 2026-10-22
Z.ai apistandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cacheddocs.z.ai · read 2026-10-31
Avian aggregatorstandard$0.74per Mtok in$2.97per Mtok out$0.19per Mtok cachedapi.avian.io · read 2026-10-31
Requesty 5 ways$0.76per Mtok in$2.52per Mtok out$0.15per Mtok cached
Requesty aggregatornot on the seller's list todaydeepinfra flex$0.76per Mtok in$2.52per Mtok out$0.15per Mtok cachedrouter.requesty.ai · read 2026-08-25
Requesty aggregatordeepinfra$1.05per Mtok in$3.5per Mtok out$0.2per Mtok cachedrouter.requesty.ai · read 2026-10-10
Requesty aggregatornovita$1.38per Mtok in$4.4per Mtok outrouter.requesty.ai · read 2026-08-28
Requesty aggregatorfireworks$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedrouter.requesty.ai · read 2026-08-28
Requesty aggregatornebius$1.4per Mtok in$4.4per Mtok out$1.4per Mtok cachedrouter.requesty.ai · read 2026-08-28
Requesty aggregatorzai$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedrouter.requesty.ai · read 2026-08-28
OpenRouter 14 ways$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cached
OpenRouter aggregatorchutes/fp8$0.9per Mtok in$2.9per Mtok out$0.09per Mtok cachedopenrouter.ai · read 2026-10-27
OpenRouter aggregatorstreamlake/fp8$0.97per Mtok in$3.04per Mtok out$0.18per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornot on the seller's list todaydeepinfra/fp4$1.05per Mtok in$3.5per Mtok out$0.2per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorsiliconflow/fp8$1.19per Mtok in$3.74per Mtok out$0.6per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornot on the seller's list todaycrusoe/fp8$1.2per Mtok in$4.4per Mtok out$0.25per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorphala$1.21per Mtok in$4.2per Mtok out$0.6per Mtok cachedopenrouter.ai · read 2026-08-27
OpenRouter aggregatoratlas-cloud/fp8$1.26per Mtok in$3.96per Mtok out$0.23per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornot on the seller's list todaydigitalocean$1.3per Mtok in$4.3per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatoralibaba/fp8$1.33per Mtok in$4.18per Mtok out$0.25per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornovita/fp8$1.38per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-10-28
OpenRouter aggregatorbaidu/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-10-26
OpenRouter aggregatorfriendli$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorgmicloud/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-09-08
OpenRouter aggregatornebius/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatornot on the seller's list todayparasail/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorz-ai/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorvenice/fp8$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedopenrouter.ai · read 2026-09-13
ElectronHub aggregatorstandard$1per Mtok in$3.2per Mtok outapi.electronhub.ai · read 2026-10-31
Hugging Face Inference Providers 2 ways$1per Mtok in$3.2per Mtok out$0.2per Mtok cached
Hugging Face Inference Providers aggregatorstandard$1per Mtok in$3.2per Mtok out$0.2per Mtok cachedmodels.dev · read 2026-10-31
Hugging Face Inference Providers aggregatordeepinfra$1.05per Mtok in$3.5per Mtok outrouter.huggingface.co · read 2026-08-25
DeepInfra aggregatorstandard$1.05per Mtok in$3.5per Mtok out$0.2per Mtok cachedapi.deepinfra.com · read 2026-08-25
SiliconFlow aggregatorstandard$1.19per Mtok in$3.74per Mtok out$0.6per Mtok cachedmodels.dev · read 2026-10-31
RedPill aggregatorstandard$1.21per Mtok in$4.2per Mtok out$0.6per Mtok cachedapi.redpill.ai · read 2026-09-20
AtlasCloud aggregatorstandard$1.26per Mtok in$3.96per Mtok out$0.23per Mtok cachedapi.atlascloud.ai · read 2026-09-20
Baseten 0 ways$1.3per Mtok in$4.3per Mtok out$0.26per Mtok cached
Baseten aggregatornot on the seller's list todaystandard$1.3per Mtok in$4.3per Mtok out$0.26per Mtok cachedmodels.dev · read 2026-10-22
Featherless AI aggregatorstandard$1.3per Mtok in$4.3per Mtok outapi.featherless.ai · read 2026-09-20
Novita AI aggregatorstandard$1.38per Mtok in$4.4per Mtok out$0.26per Mtok cachedapi.novita.ai · read 2026-08-25
Fireworks AI aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedraw.githubusercontent.com · read 2026-10-31
Fireworks AI aggregatornot on the seller's list todayfast$2.8per Mtok in$8.8per Mtok out$0.52per Mtok cacheddocs.fireworks.ai · read 2026-08-24
FriendliAI aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedapi.friendli.ai · read 2026-09-20
Nebius Token Factory aggregatorstandard$1.4per Mtok in$4.4per Mtok outtokenfactory.nebius.com · read 2026-08-25
Nous Research aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedinference-api.nousresearch.com · read 2026-10-29
Together AI aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedmodels.dev · read 2026-10-31
Vercel AI Gateway aggregatorstandard$1.4per Mtok in$4.4per Mtok out$0.26per Mtok cachedai-gateway.vercel.sh · read 2026-08-25
Venice AI aggregatorstandard$1.54per Mtok in$4.84per Mtok out$0.29per Mtok cachedmodels.dev · read 2026-10-31
PPIO aggregatorstandard$8per Mtok in$28per Mtok outapi.ppinfra.com · read 2026-10-31

Measured 45 standings

PlaceBoardMetricScore
3rdof 15Design Arena · agenticslides (agents)Elo1245
3rdof 154Design Arena · dataviz (models)Elo1366
5thof 15Design Arena · agenticslides(python-pptx) (agents)Elo1240
5thof 13Design Arena · pptxslides (agents)Elo1241
5thof 41Design Arena · python-pptxslides (agents)Elo1258
5thof 41Design Arena · spreadsheet (agents)Elo1315
8thof 15Design Arena · agentichtmlslides (agents)Elo1205
8thof 15Design Arena · agenticslides(html) (agents)Elo1204
13thof 20Exploitbench — Epoch AIMean capability0.181
17thof 35Swe bench verified — Epoch AImean_score74.17
19thof 150Design Arena · 3d (models)Elo1336
21stof 101FrontierMath (Tiers 1-3)mean_score33.448
22ndof 36Design Arena · htmlslides (agents)Elo1066
23rdof 72Frontiermath tier 4 — Epoch AImean_score12.5
23rdof 23Gbaeval — Epoch AIOverall score0
25thof 54Design Arena · androidnative (agents)Elo1181
27thof 71Vending bench 2 — Epoch AIScore5634.406
31stof 39Design Arena · agenticgamedev (agents)Elo1111
32ndof 169Design Arena · website (models)Elo1290
34thof 61Design Arena · fullstack (agents)Elo1167
34thof 157Design Arena · uicomponent (models)Elo1292
37thof 114Design Arena · svg (models)Elo1216
42ndof 102Simplebench — Epoch AIScore (AVG@5)0.551
43rdof 68Design Arena · mobileapps (agents)Elo1160
44thof 68Design Arena · webapps (agents)Elo1164
47thof 60Apex agents — Epoch AIPass@1 score0.409
47thof 162Design Arena · gamedev (models)Elo1263
47thof 50Design Arena · godotgamedev (agents)Elo1053
49thof 326GPQA Diamondmean_score89.899
49thof 84Proofbench — Epoch AIAccuracy22.222
52ndof 163Design Arena · codecategories (models)Elo1266
54thof 135Webdev arena — Epoch AIArena Score1508.29
55thof 131Artificial Analysis · Agentic IndexIndex23.9
55thof 141LMArena · WebDevScore (Elo)1508
56thof 414LMArena · TextScore (Elo)1464
57thof 173Weirdml — Epoch AIAccuracy57.1
60thof 93Simpleqa verified — Epoch AImean_score34
62ndof 306OTIS Mock AIME 2024-2025mean_score93.333
68thof 93Design Arena · asciiart (models)Elo1139
68thof 122Frontiermath tiers 1 3 v2 — Epoch AImean_score36.842
71stof 163Artificial Analysis · Coding IndexIndex55.8
72ndof 132Ale bench — Epoch AIPerformance887.1
94thof 154Chess puzzles — Epoch AImean_score20
141stof 260Critpt — Epoch AIAccuracy4.571
160thof 235Scicode — Epoch AIScore44.792

About

GLM 5.1 — a text model from Z.ai, sold by 22 companies from $0.74 in and $2.97 out per million tokens, placed 3rd of 154 on Design Arena · dataviz (models).

It takes text and returns text, with a context window of 202,752 tokens. It was published in March 2026, trained on material up to April 2025. Its sellers say it can reason step by step and call a tool. The catalogue files it under reasoning, code and agents. 22 companies sell it. The cheapest is $0.74 in and $2.97 out per million tokens at Avian. Beside the standard rate there are separately routed and regional lanes. It has been measured on 45 boards, and stands best at 3rd of 154 on Design Arena · dataviz (models).

Every current figure

Maker
Z.ai
Register
model
Takes
text
Returns
text
Context
202,752 tokens
Published
March 2026
Knowledge to
April 2025
Parameters
754 billion
Licence
not read
Sellers
22
Price
$0.74 in and $2.97 out per million tokens — Avian
Boards
45
Best place
3rd of 154 — Design Arena · dataviz (models)

Known as 10 names

glm-5.1zai-org/glm-5.1fireworks/glm-5p1z-ai/glm-5.1deepinfra/zai-org/GLM-5.1deepinfra/zai-org/GLM-5.1:flexfireworks/glm-5.1nebius/zai-org/glm-5.1novita/zai-org/glm-5.1zai/glm-5.1