DeepSeek V4 Pro 0813 vs GLM 5.3 FlashX Legal
API pricing, context, and independently measured performance, side by side. DeepSeek V4 Pro 0813 starts 72% cheaper on input than GLM 5.3 FlashX Legal at list prices.
DeepSeek V4 Pro 0813
DeepSeek · released Aug 12, 2026
Best input$0.103 / MTok
Best output$1.98 / MTok
Context1.05M
Providers27
Fastest measured0.58s° TTFT · 169 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
GLM 5.3 FlashX Legal
Z.ai · released Nov 2, 2026
Best input$0.37 / MTok
Best output$1.25 / MTok
Context1.05M
Providers1
Fastest measured—
VisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| DeepSeek V4 Pro 0813 |  Relace | $0.103 | $8.00 | 0.69s° | 136° tok/s | — |
| DeepSeek V4 Pro 0813 |  Wafer | $0.115 | $4.00 | 0.58s° | 169° tok/s | — |
| DeepSeek V4 Pro 0813 |  Ionstream | $0.37 | $2.93 | 1.2s° | 104° tok/s | — |
| GLM 5.3 FlashX Legal |  Z.AI | $0.37 | $1.25 | — | — | — |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 21d) · chat10k profile (~10K in / 200 out) · ° = measured via OpenRouter routing (adds a hop) · SMOKE: of 5 programmatic capability probes passed · methodology v1.1 — full details on each model page