Z.ai
·Released on Apr 7, 2026GLM-5.1 API Benchmarks, Pricing & Provider Data
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LLM
GLM-5.1 benchmark, API pricing, and provider data cover 248 API providers, with prices starting at $0.0020/request. GLM-5.1 free API options are available from 3 providers. The page also shows measured API speed and first-token latency.
Zhipu GLM-5.1 is a next-generation GLM model aimed at frontier reasoning, coding, and bilingual agent applications.
Quality
#35of 100
60.0
LMSpeed score
Speed
50char/s
14.60 s
Cost
#132of 181
$0.0020/ 1M · 8:1 in:out
$0.0003 in · $0.0017 out
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 6 / 8
- Methodology
- V3.0
#1Knowledge55.4Provisional1/4 Measured dimensions
80% interval: 41.4–69.4
broad knowledge55.4
aa_omniscience · aa_omniscience_index / benchlm_category_knowledge · benchlm_category_knowledge
professional knowledgePrior only
factualityPrior only
retrieval open bookPrior only
#2Instruction following54.8Provisional1/4 Measured dimensions
80% interval: 38.8–70.8
constraint followingPrior only
structured outputPrior only
novel instruction generalization54.8
ifbench · aa_if_bench
long multiturn instructionPrior only
#3Reasoning53.8Estimated2/4 Measured dimensions
80% interval: 43.0–64.6
abstract logicPrior only
scientific causal55.9
critpt · critpt / gpqa · gpqa / hle · hle
multistep constraintsPrior only
evidence verification51.7
lcr · lcr
#4Coding53.7RatedGlobal rank #183/4 Measured dimensions
80% interval: 45.0–62.5
code generation49.7
scicode · scicode
repository engineering50.8
nl2repo · nl2_repo / swe_pro · swe_pro / vibecode · vibe_code_bench
debugging testing60.7
swe_rebench · swe_rebench
tooling qualityPrior only
#5Agents53.3RatedGlobal rank #264/4 Measured dimensions
80% interval: 47.6–59.0
planning55.7
deep_planning · gert_labs
tool use54.8
mcp_atlas · mcp_atlas / tau · tau2_bench / tau · tau3_bench
environment execution49.8
browsecomp · browse_comp / gdpval_aa · benchlm_agentic_gdpval_aa / terminalbench · benchlm_agentic_terminal_bench2
recovery reliability52.9
claw_eval · claw_eval / cyber_gym · cyber_gym / researchclaw · research_claw_bench
#6Math51.7Estimated3/4 Measured dimensions
80% interval: 42.6–60.7
foundational mathPrior only
competition math48.7
aime · aime2026 / hmmt · hmmt_feb2026 / hmmt · hmmt_nov2025
proof frontier54.2
frontiermath · frontier_math_v2_tier4 / frontiermath · frontier_math_v2_tiers13
applied tool math52
mmanswer · mm_answer_bench
No data:MultilingualMultimodal
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
INPUT
204.8Ktokens
≈ 245.8 pages of text
OUTPUT
128Ktokens
8K128K1M4M
204.8K
Features
Technical Details
- Input
- Output
- Released
- Apr 2026
- Tokenizer
- Other
- Architecture
- text->text
- Moderated
- No
- Supported parameters
- frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Rankings
Excels at
It's decent at
Falls behind in
Detailed scores
Updated: Sep 1, 2026Overall
undefined metric} other undefined metrics}}
Overall score60.0#35 / 100
Overall
undefined metric} other undefined metrics}}
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Pricing
undefined metric} other undefined metrics}}
Input price$1.38/M#132 / 181Output price$4.40/M#116 / 181
Pricing
undefined metric} other undefined metrics}}
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Score53.3#2680% interval47.6–59.04/4 Measured dimensionsAgentic score48.9#50 / 69Terminal-Bench 2.063.5#28 / 53
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Dimensions and evidence
Planning & decomposition55.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
deep_planning · gert_labs · z 0.77 · q 1.00
Tool use54.8
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
mcp_atlas · mcp_atlas · z -0.12 · q 1.00
tau · tau2_bench · z 1.05 · q 1.00
tau · tau3_bench · z 0.16 · q 1.00
Environment & long-horizon execution49.8
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
browsecomp · browse_comp · z -0.90 · q 1.00
gdpval_aa · benchlm_agentic_gdpval_aa · z 0.25 · q 1.00
terminalbench · benchlm_agentic_terminal_bench2 · z -0.02 · q 1.00
Recovery & completion reliability52.9
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
claw_eval · claw_eval · z 0.45 · q 1.00
cyber_gym · cyber_gym · z -0.70 · q 1.00
researchclaw · research_claw_bench · z 0.06 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Score53.7#1880% interval45.0–62.53/4 Measured dimensionsSciCode43.8%#52 / 206Coding score62.5#14 / 81
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Dimensions and evidence
Code generation49.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
scicode · scicode · z -0.16 · q 1.00
Repository engineering50.8
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
nl2repo · nl2_repo · z -0.02 · q 1.00
swe_pro · swe_pro · z 0.29 · q 1.00
vibecode · vibe_code_bench · z 0.25 · q 1.00
Debugging & testing60.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
swe_rebench · swe_rebench · z 1.49 · q 1.00
Tool-assisted development & qualityPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Score53.880% interval43.0–64.62/4 Measured dimensionsGPQA86.8%#51 / 213HLE30.1%#51 / 210
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Dimensions and evidence
Abstract logicPrior only
Scientific & causal reasoning55.9
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
critpt · critpt · z 0.21 · q 1.00
gpqa · gpqa · z 0.42 · q 1.00
hle · hle · z 0.58 · q 1.00
Multi-step constraintsPrior only
Evidence integration & verification51.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
lcr · lcr · z -0.13 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Score55.480% interval41.4–69.41/4 Measured dimensionsKnowledge score75.7#20 / 69GPQA-D86.2#28 / 31
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Broad knowledge55.4
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
aa_omniscience · aa_omniscience_index · z 0.17 · q 1.00
benchlm_category_knowledge · benchlm_category_knowledge · z 0.57 · q 1.00
Professional knowledgePrior only
FactualityPrior only
Retrieval & open-book usePrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Artificial Analysis Intelligence IndexV3 evidence
LMSpeed rank#39
Score41.0
Sourcebenchlm.ai
UpdatedSep 1, 2026
Confidence2
AA-Omniscience Hallucination Rate
LMSpeed rank#94
Score29.9
Sourcebenchlm.ai
UpdatedSep 1, 2026
Confidence2
Math
V3.0undefined metric} other undefined metrics}} · Estimated
Score51.780% interval42.6–60.73/4 Measured dimensionsMath score64.5#24 / 62AIME2695.3#7 / 14
Math
V3.0undefined metric} other undefined metrics}} · Estimated
Dimensions and evidence
Foundational mathPrior only
Competition math48.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
aime · aime2026 · z 0.00 · q 1.00
hmmt · hmmt_feb2026 · z -0.62 · q 1.00
hmmt · hmmt_nov2025 · z 0.32 · q 1.00
Advanced proofs54.2
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
frontiermath · frontier_math_v2_tier4 · z 0.43 · q 1.00
frontiermath · frontier_math_v2_tiers13 · z 0.27 · q 1.00
Applied & tool-assisted math52
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
mmanswer · mm_answer_bench · z 0.32 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
FrontierMath v2 (Tiers 1-3)V3 evidence
LMSpeed rank#17
Score33.4
Sourcebenchlm.ai
UpdatedSep 1, 2026
Confidence2
FrontierMath v2 (Tier 4)V3 evidence
LMSpeed rank#16
Score12.5
Sourcebenchlm.ai
UpdatedSep 1, 2026
Confidence2
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
Dimensions and evidence
Cross-language understandingPrior only
Multilingual generationPrior only
Reasoning transferPrior only
Low-resource robustnessPrior only
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
80% interval30.8–69.20/4 Measured dimensionsDesign Arena Website1290.0#18 / 75
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
Dimensions and evidence
Perception & OCRPrior only
Document & spatial understandingPrior only
Visual reasoningPrior only
Video & grounded actionPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
Score54.880% interval38.8–70.81/4 Measured dimensionsAA-IFBench76.3#11 / 84
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Constraint followingPrior only
Structured outputPrior only
Novel-instruction generalization54.8
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
ifbench · aa_if_bench · z 0.37 · q 1.00
Multi-turn & long instructionsPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
OpenRouter endpoints
16 endpointsThird-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
Alibaba alibaba/fp8 | $1.33/M | $4.18/M | 100% | — | — | undefined tokens / undefined tokens |
Baidu baidu/fp8 | $1.40/M | $4.40/M | 100.0% | — | — | undefined tokens / undefined tokens |
Novita novita/fp8 | $1.38/M | $4.40/M | 100.0% | — | — | undefined tokens / undefined tokens |
SiliconFlow siliconflow/fp8 | $1.19/M | $3.74/M | 99.9% | — | — | undefined tokens / undefined tokens |
AtlasCloud atlas-cloud/fp8 | $1.26/M | $3.96/M | 99.9% | — | — | undefined tokens / undefined tokens |
Z.AI z-ai/fp8 | $1.40/M | $4.40/M | 99.9% | — | — | undefined tokens / undefined tokens |
StreamLake streamlake/fp8 | $0.966/M | $3.04/M | 99.9% | — | — | undefined tokens / undefined tokens |
Friendli friendli | $1.40/M | $4.40/M | 99.9% | — | — | undefined tokens / undefined tokens |
DeepInfra deepinfra/fp4 | $1.05/M | $3.50/M | 99.7% | — | — | undefined tokens / undefined tokens |
Crusoe crusoe/fp8 | $1.20/M | $4.40/M | 99.1% | — | — | undefined tokens / undefined tokens |
GMICloud gmicloud/fp8 | $0.910/M | $2.86/M | 98.3% | — | — | undefined tokens / undefined tokens |
DigitalOcean digitalocean | $1.30/M | $4.30/M | 97.8% | — | — | undefined tokens / undefined tokens |
Nebius nebius/fp8 | $1.40/M | $4.40/M | 97.3% | — | — | undefined tokens / undefined tokens |
Venice venice/fp8 | $1.54/M | $4.84/M | 91.6% | — | — | undefined tokens / undefined tokens |
Chutes chutes/fp8 | $0.980/M | $3.08/M | 91.1% | — | — | undefined tokens / undefined tokens |
Phala phala | $1.21/M | $4.20/M | 90.4% | — | — | undefined tokens / undefined tokens |
Pricing Comparison
Compare GLM-5.1 API pricing across 245 providers. Prices range from $0.0020/request to $749250.00/M. 3173721 API offers the lowest rate at $0.0020/request. 3 providers offer free API credits or a free tier.
Showing 20 model IDs of 104.
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Frequently Asked Questions
- What benchmark data does GLM-5.1 include?
- LMSpeed shows GLM-5.1 benchmark context, API price, output speed, first-token latency, and provider data across 248 providers when those signals are available.
- What is the GLM-5.1 API price?
- GLM-5.1 has pricing from 248 providers, ranging from $0.0020/request to $749250.00/M. 3173721 API has the lowest listed price.
- What does the GLM-5.1 API pricing table include?
- The GLM-5.1 API pricing table compares 248 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest GLM-5.1 API pricing?
- 3173721 API currently has the lowest listed GLM-5.1 price at $0.0020/request across 248 providers.
- Can I compare GLM-5.1 API price and speed together?
- Yes. LMSpeed shows GLM-5.1 API price, output speed, first-token latency, and provider health on the same page so you can compare cost and performance together.
- Is GLM-5.1 API free?
- Yes, GLM-5.1 free API options are available through 3 providerundefined other undefined} on LMSpeed, including Moyanjdc API, Zero API, Dext API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get GLM-5.1 free API access?
- LMSpeed currently lists 3 free API providerundefined other undefined} for GLM-5.1: Moyanjdc API, Zero API, Dext API. Check each provider row before using it because free tier limits can change.