GLM 5.2

z-ai/glm-5.2-20260616

Z.ai: GLM 5.2 is a text‑only model from z‑ai that supports reasoning and tool usage. It provides an open‑weight architecture with a context window of up to 1,048,576 tokens. Pricing is $0.8246 per million input tokens and $2.5916 per million output tokens.

  • tool use
  • structured outputs
  • reasoning
  • open-weight

At a glance

providerz-ai
releasedJun 13, 2026
context1.0M
input / M$0.97

Specifications

What the API gives you

Context window
1.0M tokens
Max output
131K tokens
Input price
$0.97 / 1M tokens
Output price
$3.04 / 1M tokens
Cache read
$0.19 / 1M tokens
Modalities
text → text
Knowledge cutoff
Released
Jun 13, 2026

Measured evidence

Public benchmark record

Design Arena Coding
1346 Elo2026-07-28
Design Arena Coding
1346 Elo2026-07-27
Design Arena Coding
1346 Elo2026-07-30
Design Arena Coding
1346 Elo2026-07-29
Design Arena Coding
1346 Elo2026-07-31
Design Arena Coding
1343 Elo2026-08-02
Design Arena Coding
1343 Elo2026-08-05
Design Arena Coding
1344 Elo2026-08-01
Design Arena Coding
1341 Elo2026-08-09
Design Arena Coding
1344 Elo2026-08-03
Design Arena Coding
1343 Elo2026-08-04
Design Arena Coding
1335 Elo2026-08-14
Design Arena Coding
1343 Elo2026-08-06
Design Arena Coding
1341 Elo2026-08-10
Design Arena Coding
1342 Elo2026-08-07
Design Arena Coding
1326 Elo2026-08-18
Design Arena Coding
1341 Elo2026-08-08
Design Arena Coding
1332 Elo2026-08-21
Design Arena Coding
1330 Elo2026-08-15
Design Arena Coding
1340 Elo2026-08-11
Design Arena Coding
1338 Elo2026-08-12
Design Arena Coding
1325 Elo2026-08-19
Design Arena Coding
1336 Elo2026-08-13
Design Arena Coding
1329 Elo2026-08-27
Design Arena Coding
1318 Elo2026-09-05
Design Arena Coding
1325 Elo2026-08-20
Design Arena Coding
1329 Elo2026-08-16
Design Arena Coding
1326 Elo2026-08-17
Design Arena Coding
1332 Elo2026-08-22
Design Arena Coding
1331 Elo2026-08-23
Design Arena Coding
1328 Elo2026-08-28
Design Arena Coding
1331 Elo2026-08-24
Design Arena Coding
1331 Elo2026-08-25
Design Arena Coding
1331 Elo2026-08-26
Design Arena Coding
1317 Elo2026-09-06
Design Arena Coding
1328 Elo2026-08-29
Design Arena Coding
1327 Elo2026-08-30
Design Arena Coding
1327 Elo2026-08-31
Design Arena Coding
1327 Elo2026-09-01
Design Arena Coding
1325 Elo2026-09-02
Design Arena Coding
1323 Elo2026-09-03
Design Arena Coding
1321 Elo2026-09-04
Design Arena UI
1331 Elo2026-07-28
Design Arena UI
1333 Elo2026-07-27
Design Arena UI
1333 Elo2026-07-30
Design Arena UI
1332 Elo2026-07-29
Design Arena UI
1334 Elo2026-07-31
Design Arena UI
1330 Elo2026-08-02
Design Arena UI
1331 Elo2026-08-01
Design Arena UI
1337 Elo2026-08-05
Design Arena UI
1339 Elo2026-08-09
Design Arena UI
1331 Elo2026-08-03
Design Arena UI
1337 Elo2026-08-04
Design Arena UI
1334 Elo2026-08-14
Design Arena UI
1337 Elo2026-08-06
Design Arena UI
1339 Elo2026-08-07
Design Arena UI
1339 Elo2026-08-10
Design Arena UI
1339 Elo2026-08-08
Design Arena UI
1334 Elo2026-08-18
Design Arena UI
1338 Elo2026-08-11
Design Arena UI
1334 Elo2026-08-15
Design Arena UI
1337 Elo2026-08-12
Design Arena UI
1337 Elo2026-08-13
Design Arena UI
1334 Elo2026-08-19
Design Arena UI
1324 Elo2026-08-27
Design Arena UI
1334 Elo2026-08-16
Design Arena UI
1334 Elo2026-08-20
Design Arena UI
1334 Elo2026-08-17
Design Arena UI
1319 Elo2026-09-05
Design Arena UI
1326 Elo2026-08-21
Design Arena UI
1328 Elo2026-08-22
Design Arena UI
1329 Elo2026-08-23
Design Arena UI
1322 Elo2026-08-28
Design Arena UI
1328 Elo2026-08-24
Design Arena UI
1327 Elo2026-08-25
Design Arena UI
1327 Elo2026-08-26
Design Arena UI
1319 Elo2026-09-06
Design Arena UI
1323 Elo2026-08-29
Design Arena UI
1323 Elo2026-08-30
Design Arena UI
1322 Elo2026-08-31
Design Arena UI
1323 Elo2026-09-01
Design Arena UI
1322 Elo2026-09-02
Design Arena UI
1321 Elo2026-09-03
Design Arena UI
1319 Elo2026-09-04
Design Arena Web-app Agent
1270 Elo2026-07-28
Design Arena Web-app Agent
1270 Elo2026-07-27
Design Arena Web-app Agent
1269 Elo2026-07-30
Design Arena Web-app Agent
1269 Elo2026-07-29
Design Arena Web-app Agent
1270 Elo2026-07-31
Design Arena Web-app Agent
1270 Elo2026-08-02
Design Arena Web-app Agent
1270 Elo2026-08-01
Design Arena Web-app Agent
1268 Elo2026-08-05
Design Arena Web-app Agent
1261 Elo2026-08-09
Design Arena Web-app Agent
1270 Elo2026-08-03
Design Arena Web-app Agent
1270 Elo2026-08-04
Design Arena Web-app Agent
1257 Elo2026-08-14
Design Arena Web-app Agent
1268 Elo2026-08-06
Design Arena Web-app Agent
1259 Elo2026-08-10
Design Arena Web-app Agent
1268 Elo2026-08-07
Design Arena Web-app Agent
1258 Elo2026-08-18
Design Arena Web-app Agent
1268 Elo2026-08-08
Design Arena Web-app Agent
1258 Elo2026-08-11
Design Arena Web-app Agent
1260 Elo2026-08-15
Design Arena Web-app Agent
1259 Elo2026-08-12
Design Arena Web-app Agent
1258 Elo2026-08-13
Design Arena Web-app Agent
1258 Elo2026-08-19
Design Arena Web-app Agent
1251 Elo2026-08-27
Design Arena Web-app Agent
1258 Elo2026-08-20
Design Arena Web-app Agent
1261 Elo2026-08-16
Design Arena Web-app Agent
1251 Elo2026-09-05
Design Arena Web-app Agent
1261 Elo2026-08-17
Design Arena Web-app Agent
1255 Elo2026-08-21
Design Arena Web-app Agent
1256 Elo2026-08-22
Design Arena Web-app Agent
1256 Elo2026-08-23
Design Arena Web-app Agent
1252 Elo2026-08-28
Design Arena Web-app Agent
1251 Elo2026-08-24
Design Arena Web-app Agent
1252 Elo2026-08-25
Design Arena Web-app Agent
1252 Elo2026-08-26
Design Arena Web-app Agent
1251 Elo2026-09-06
Design Arena Web-app Agent
1252 Elo2026-08-29
Design Arena Web-app Agent
1251 Elo2026-08-30
Design Arena Web-app Agent
1251 Elo2026-08-31
Design Arena Web-app Agent
1251 Elo2026-09-01
Design Arena Web-app Agent
1251 Elo2026-09-02
Design Arena Web-app Agent
1251 Elo2026-09-03
Design Arena Web-app Agent
1251 Elo2026-09-04
Design Arena Website
1341 Elo2026-07-28
Design Arena Website
1341 Elo2026-07-27
Design Arena Website
1340 Elo2026-07-30
Design Arena Website
1340 Elo2026-07-29
Design Arena Website
1339 Elo2026-07-31
Design Arena Website
1337 Elo2026-08-02
Design Arena Website
1338 Elo2026-08-01
Design Arena Website
1339 Elo2026-08-05
Design Arena Website
1338 Elo2026-08-03
Design Arena Website
1336 Elo2026-08-09
Design Arena Website
1339 Elo2026-08-04
Design Arena Website
1329 Elo2026-08-14
Design Arena Website
1338 Elo2026-08-06
Design Arena Website
1337 Elo2026-08-07
Design Arena Website
1336 Elo2026-08-10
Design Arena Website
1336 Elo2026-08-08
Design Arena Website
1319 Elo2026-08-18
Design Arena Website
1335 Elo2026-08-11
Design Arena Website
1321 Elo2026-08-15
Design Arena Website
1333 Elo2026-08-12
Design Arena Website
1331 Elo2026-08-13
Design Arena Website
1319 Elo2026-08-19
Design Arena Website
1320 Elo2026-08-16
Design Arena Website
1319 Elo2026-08-20
Design Arena Website
1323 Elo2026-08-27
Design Arena Website
1320 Elo2026-08-17
Design Arena Website
1315 Elo2026-09-05
Design Arena Website
1327 Elo2026-08-21
Design Arena Website
1327 Elo2026-08-22
Design Arena Website
1327 Elo2026-08-23
Design Arena Website
1326 Elo2026-08-24
Design Arena Website
1323 Elo2026-08-28
Design Arena Website
1326 Elo2026-08-25
Design Arena Website
1325 Elo2026-08-26
Design Arena Website
1313 Elo2026-09-06
Design Arena Website
1322 Elo2026-08-29
Design Arena Website
1321 Elo2026-08-30
Design Arena Website
1321 Elo2026-08-31
Design Arena Website
1321 Elo2026-09-01
Design Arena Website
1320 Elo2026-09-02
Design Arena Website
1318 Elo2026-09-03
Design Arena Website
1316 Elo2026-09-04
Frontier-Bench
4.6% ± 1.02026-07-19Claude Code, max effort
LiveBench Coding
79.7%2026-06-25
LiveBench Language
76.2%2026-06-25
LiveBench Math
89.8%2026-06-25
LiveBench Reasoning
78.6%2026-06-25
LMArena Agent
7.12026-07-27
LMArena Agent
6.52026-07-21
LMArena Agent
7.12026-07-28
LMArena Agent
6.72026-08-03
LMArena Agent
6.72026-08-12
LMArena Agent
6.82026-08-06
LMArena Agent
6.72026-08-11
LMArena Agent
6.72026-08-13
LMArena Agent
5.92026-08-24
LMArena Agent
6.12026-08-31
LMArena Agent
62026-09-05
LMArena Agent
5.92026-08-27
LMArena Creative Writing
1456 Elo2026-07-27
LMArena Creative Writing
1456 Elo2026-07-30
LMArena Creative Writing
1456 Elo2026-08-02
LMArena Creative Writing
1456 Elo2026-08-03
LMArena Creative Writing
1458 Elo2026-08-06
LMArena Creative Writing
1461 Elo2026-08-12
LMArena Creative Writing
1461 Elo2026-08-21
LMArena Creative Writing
1462 Elo2026-09-02
LMArena Creative Writing
1463 Elo2026-08-27
LMArena Creative Writing
1463 Elo2026-09-01
LMArena Long Query
1469 Elo2026-07-27
LMArena Long Query
1469 Elo2026-07-30
LMArena Long Query
1468 Elo2026-08-02
LMArena Long Query
1468 Elo2026-08-03
LMArena Long Query
1469 Elo2026-08-06
LMArena Long Query
1469 Elo2026-08-12
LMArena Long Query
1468 Elo2026-08-21
LMArena Long Query
1472 Elo2026-09-02
LMArena Long Query
1472 Elo2026-08-27
LMArena Long Query
1472 Elo2026-09-01
LMArena Math
1471 Elo2026-07-27
LMArena Math
1471 Elo2026-07-30
LMArena Math
1471 Elo2026-08-02
LMArena Math
1471 Elo2026-08-03
LMArena Math
1470 Elo2026-08-06
LMArena Math
1470 Elo2026-08-12
LMArena Math
1470 Elo2026-08-21
LMArena Math
1471 Elo2026-09-01
LMArena Math
1470 Elo2026-08-27
LMArena Text
1469 Elo2026-07-27
LMArena Text
1469 Elo2026-07-30
LMArena Text
1469 Elo2026-08-02
LMArena Text
1471 Elo2026-08-06
LMArena Text
1469 Elo2026-08-03
LMArena Text
1470 Elo2026-08-10
LMArena Text
1470 Elo2026-08-21
LMArena Text
1471 Elo2026-08-12
LMArena Text
1472 Elo2026-09-01
LMArena Text
1472 Elo2026-09-02
LMArena Text
1472 Elo2026-08-27
LMArena WebDev
1592 Elo2026-07-21
LMArena WebDev
1587 Elo2026-07-27
LMArena WebDev
1588 Elo2026-07-24
LMArena WebDev
1588 Elo2026-07-28
LMArena WebDev
1588 Elo2026-07-30
LMArena WebDev
1586 Elo2026-08-01
LMArena WebDev
1587 Elo2026-07-31
LMArena WebDev
1588 Elo2026-08-06
LMArena WebDev
1586 Elo2026-08-02
LMArena WebDev
1588 Elo2026-08-10
LMArena WebDev
1587 Elo2026-08-12
LMArena WebDev
1585 Elo2026-08-14
LMArena WebDev
1585 Elo2026-09-01
LMArena WebDev
1587 Elo2026-09-05
LMArena WebDev
1582 Elo2026-08-21
LMArena WebDev
1585 Elo2026-08-30
SWE-rebench
51.1% ± 1.12026-05-15tools
SWE-rebench
57.0% ± 0.92026-07-01tools

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference. Submitted scaffold plus model result. Compare the harness and effort settings, not only the model name.

Open-weight model on Hugging Face.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

  • Best LLM for Competition MathEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Business WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Marketing CopyEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Chat & RoleplayEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Creative WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Frontend & UIEstablished evidence

    100% of intended weighted task evidence across 3 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for WritingEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Math & ReasoningEstablished evidence

    100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • 100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Code CompletionEstablished evidence

    81% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Agentic CodingEstablished evidence

    78% of intended weighted task evidence across 5 independent sources. 8 of 8 configured evaluation feeds currently have results.

  • Best LLM for CodingEstablished evidence

    74% of intended weighted task evidence across 4 independent sources. 8 of 8 configured evaluation feeds currently have results.

  • 70% of intended weighted task evidence across 3 independent sources. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for Autonomous AgentsEstablished evidence

    67% of intended weighted task evidence across 4 independent sources. 7 of 7 configured evaluation feeds currently have results.

  • 67% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • Best Local LLM for CodingEstablished evidence

    64% of intended weighted task evidence across 3 independent sources. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Fast SummariesEstablished evidence

    64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • Best Value LLMEstablished evidence

    64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for TranslationProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.

  • Best Cheap LLM for High VolumeProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Cheapest Capable LLMProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for Hermes AgentProvisional evidence

    45% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenHandsProvisional evidence

    45% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for GooseProvisional evidence

    45% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenClawProvisional evidence

    45% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for AI AgentsProvisional evidence

    42% of intended weighted task evidence across 3 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 7 of 7 configured evaluation feeds currently have results.

  • 40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • Best LLM for SummarizationProvisional evidence

    40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • 39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • 39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • 31% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Route reliability or Structured-output eval. 2 of 4 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Search. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for Massive ContextProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or LongBench v2. 3 of 4 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 4 of 4 configured evaluation feeds currently have results.

  • 20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Vision or VLMEvalKit tasks. 3 of 4 configured evaluation feeds currently have results.

  • 18% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • Best LLM for OCR & DocumentsProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • 10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Grounded RAGProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from CRAG or FACTS Grounding. 2 of 5 configured evaluation feeds currently have results.

  • Best LLM for Charts & DiagramsProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Document ParsingProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.