Z.ai (GLM)
GLM 5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
Cost / 1M tokens
Low usage$0.07
input
$0.069
cached input
$1.40
output
Context Window
1M
Up to 944K max output
Architecture
753B total MoE
text → text
Quickstart & API
z-ai/glm-5.3Best for & Strengths
Key Strengths
Recommended Workloads in ChatOSS
- Demanding software engineering
- Agentic code review
- Self-hosted enterprise AI
Verified Evaluations
Benchmarks & Frontier Comparison
How GLM 5.3 compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.
| Benchmark (Metric) | GLM 5.3 | DeepSeek V4.1 Flash | Kimi K3.1 Pro | Claude Opus 5.5 | Gemini 4 Argon |
|---|---|---|---|---|---|
| Agentic & Software Engineering | |||||
| ChatOSS Agentic Coding Index (%) | 58.3% | 63.2% | 65% | 74.1% | 73.9% |
| SWE-Bench Verified (%) | 95.4% | 91.5% | 94.8% | 97% | 94% |
| DeepSWE v1.1 (Pass@1 %) | 69% | 77% | 73.5% | 74.2% | 77.9% |
| Vibe Code Bench v1.1 (%) | 78.13% | 87.7% | 88.4% | 90.3% | 91.9% |
| Terminal-Bench 4.0 (%) | 42% | 42.3% | 46.2% | 65.2% | 57.6% |
| Code Migration (%) | 44.22% | 45.6% | 52% | 66.7% | 68.2% |
| Intelligence & Token Economics | |||||
| Artificial Analysis Intelligence Index (0–100) | 44.8 | 39.5 | 55.1 | 57.6 | 52.6 |
| Input Price (/ 1M tokens) | $0.07 | $0.15 | $2.00 | $4.00 | $4.00 |
| Output Price (/ 1M tokens) | $1.40 | $0.60 | $10.00 | $20.00 | $20.00 |
ChatOSS Agentic Coding Index
ChatOSS Benchmark Audit · 4-benchmark composite mean
SWE-Bench Verified
Vals AI · Terminus 2
DeepSWE v1.1
DeepSWE / Official Audit · Mini-SWE-Agent
Vibe Code Bench v1.1
Vals.ai · OpenHands
Terminal-Bench 4.0
Vals.ai / Artificial Analysis · Terminus 2
Terminal-Bench 2.1
Vals.ai · Terminus 2
Code Migration
Vals.ai · Vals evaluation harness
AutomationBench
Artificial Analysis v4.3
Artificial Analysis Intelligence Index
Artificial Analysis
GPQA Diamond (Pass@1)
Benchmark Audit
Humanity's Last Exam (Pass@1)
Artificial Analysis / Audit
Design Arena: 3D
Design Arena · Rank #16 (59.2% win)
Design Arena: ASCIIART
Design Arena · Rank #24 (47.1% win)
Design Arena: Code Generation
Design Arena · Rank #16 (53.8% win)
Design Arena: Data Visualization
Design Arena · Rank #32 (51.9% win)
Active Provider Endpoints (48)
Upstream inference providers serving GLM 5.3, with per-provider pricing, context limits, quantization, and 24-hour uptime.
| Provider | Input / 1M | Output / 1M | Cache Read / 1M | Context | Max Output | Quantization | Uptime (24h) |
|---|---|---|---|---|---|---|---|
Wafercache wafer/us | $0.07 | $1.40 | $0.069 | 1M | 944K | fp4 | 100.0% |
Relacecache relace | $0.07 | $4.38 | $0.07 | 1M | 131K | — | 100.0% |
InferenceNetcache inference-net/us | $0.08 | $3.60 | $0.076 | 1M | 944K | fp4 | 100.0% |
InferenceNetcache inference-net/fp4 | $0.08 | $3.60 | $0.076 | 1M | 944K | fp4 | 100.0% |
Rekacache reka | $0.14 | $2.10 | $0.105 | 1M | 262K | — | 99.8% |
Makoracache makora/fp4 | $0.14 | $4.40 | $0.10 | 1M | 128K | fp4 | 99.5% |
Wafercache wafer/fp4 | $0.179 | $1.40 | $0.178 | 1M | 944K | fp4 | 100.0% |
AkashMLcache akashml/fp8 | $0.19 | $4.40 | $0.19 | 1M | 131K | fp8 | 100.0% |
DekaLLMcache dekallm | $0.25 | $2.95 | $0.18 | 1M | 944K | — | 100.0% |
Morphcache morph/fp8 | $0.48 | $4.67 | $0.089 | 1M | 944K | fp8 | 99.6% |
Sail Researchcache sail-research/us | $0.50 | $2.00 | $0.08 | 1M | 944K | fp8 | 100.0% |
Sail Researchcache sail-research/fp8 | $0.50 | $2.00 | $0.08 | 1M | 944K | fp8 | 100.0% |
DeepInfracache deepinfra/fp4 | $0.563 | $2.50 | $0.125 | 1M | 131K | fp4 | 99.4% |
Tenstorrentcache tenstorrent/fp8 | $0.60 | $2.50 | $0.10 | 1M | 131K | fp8 | 99.9% |
Novitacache novita/fp8 | $0.63 | $1.98 | $0.117 | 1M | 131K | fp8 | 100.0% |
SiliconFlowcache siliconflow/fp8 | $0.70 | $2.20 | $0.13 | 1M | 262K | fp8 | 99.8% |
GMICloudcache gmicloud/fp8 | $0.70 | $2.20 | $0.13 | 1M | 944K | fp8 | 99.2% |
Phalacache phala | $0.84 | $2.64 | $0.156 | 1M | 944K | — | 100.0% |
Decartcache decart/fp4 | $0.84 | $2.69 | $0.19 | 1M | 944K | fp4 | 100.0% |
DigitalOceancache digitalocean | $0.91 | $2.86 | $0.169 | 1M | 128K | — | 100.0% |
Fireworkscache fireworks/spot | $0.98 | $3.08 | $0.182 | 1M | 944K | — | 100.0% |
PrimeIntellectcache primeintellect | $0.98 | $3.08 | $0.182 | 1M | 131K | — | 100.0% |
Alibabacache alibaba | $1.19 | $3.74 | $0.238 | 1M | 131K | — | 100.0% |
Inceptroncache inceptron/fp4 | $1.20 | $3.50 | $0.14 | 1M | 944K | fp4 | 99.7% |
CoreWeavecache coreweave/fp8 | $1.20 | $4.00 | $0.19 | 1M | 944K | fp8 | 99.6% |
Friendlicache friendli | $1.26 | $3.96 | $0.234 | 1M | 944K | — | 100.0% |
Mistralcache mistral/zdr | $1.40 | $4.40 | $0.14 | 1M | 131K | nvfp4 | 100.0% |
Baiducache baidu/fp8 | $1.40 | $4.40 | $0.26 | 1M | 131K | fp8 | 99.7% |
BaseTencache baseten/fp4/us | $1.40 | $4.40 | $0.14 | 1M | 262K | fp4 | 100.0% |
Mistralcache mistral/nvfp4 | $1.40 | $4.40 | $0.14 | 1M | 131K | nvfp4 | 100.0% |
Nebiuscache nebius/fp4 | $1.40 | $4.40 | $0.26 | 1M | 922K | fp4 | 100.0% |
Crusoecache crusoe/fp4 | $1.40 | $4.40 | $0.26 | 1M | 944K | fp4 | 99.9% |
Venicecache venice | $1.40 | $4.40 | $0.26 | 1M | 131K | — | 100.0% |
Togethercache together | $1.40 | $4.40 | $0.26 | 1M | 944K | — | 100.0% |
Parasailcache parasail/fp8 | $1.40 | $4.40 | $0.26 | 1M | 944K | fp8 | 100.0% |
Modalcache modal | $1.40 | $4.40 | $0.26 | 1M | 944K | — | 100.0% |
BaseTencache baseten/fp4 | $1.40 | $4.40 | $0.14 | 1M | 262K | fp4 | 100.0% |
Fireworkscache fireworks | $1.40 | $4.40 | $0.26 | 1M | 944K | — | 100.0% |
Cloudflarecache cloudflare | $1.40 | $4.40 | $0.26 | 1M | 944K | — | 100.0% |
AtlasCloudcache atlas-cloud/fp8 | $1.40 | $4.40 | $0.26 | 1M | 131K | fp8 | 100.0% |
Z.AIcache z-ai/fp8 | $1.40 | $4.40 | $0.26 | 1M | 131K | fp8 | 100.0% |
Mistralcache mistral/nvfp4/eu | $1.54 | $4.84 | $0.154 | 1M | 131K | nvfp4 | 100.0% |
Amazon Bedrock amazon-bedrock/us-east-1 | $1.68 | $5.28 | $0.312 | 1M | 131K | — | 99.2% |
ModelRuncache modelrun/fp4 | $2.10 | $6.60 | $0.40 | 1M | 524K | fp4 | 92.1% |
Fireworkscache fireworks/fast | $2.10 | $6.60 | $0.39 | 1M | 944K | — | 98.1% |
BaseTencache baseten/us/fast | $2.10 | $6.60 | $0.21 | 1M | 262K | fp8 | 97.8% |
BaseTencache baseten/fast | $2.10 | $6.60 | $0.21 | 1M | 262K | fp8 | 98.7% |
Alibabacache alibaba/prime | $2.80 | $8.80 | $0.56 | 1M | 131K | — | 100.0% |
Supported API Parameters
Parameters accepted by this model when called through ChatOSS or OpenRouter.
Deep-Dive Benchmarks & Teardowns
Independent benchmark analysis and real-world agent billing teardowns featuring GLM 5.3.
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