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Side-by-side comparison · models

DeepSeek V4 Flash vs GLM 5.1

What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.

DeepSeek logo

Models

DeepSeek V4 Flash

Fast DeepSeek V4 lane for economical reasoning, coding, and long-context work.

97 checked values

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Z.ai (Zhipu) logo

Models

GLM 5.1

Flagship GLM model for hybrid reasoning, coding, and agentic engineering.

91 checked values

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Checked facts

Line by line

DeepSeek V4 Flash vs GLM 5.1, compared on checked facts
MeasureDeepSeek V4 FlashGLM 5.1
Input price$0.090 per million tokensChecked OpenRouter models API$1.33 per million tokensChecked OpenRouter models API
Output price$0.180 per million tokensChecked OpenRouter models API$4.18 per million tokensChecked OpenRouter models API
Price on atlas-cloud$0.028 per million cached input tokensChecked OpenRouter models API$0.234 per million cached input tokensChecked OpenRouter models API
Price on atlas-cloud$0.140 per million input tokensChecked OpenRouter models API$1.26 per million input tokensChecked OpenRouter models API
Price on atlas-cloud$0.280 per million output tokensChecked OpenRouter models API$3.96 per million output tokensChecked OpenRouter models API
Price on azure$0.031 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on azure$0.210 per million input tokensChecked OpenRouter models APINot checked yet
Price on azure$0.560 per million output tokensChecked OpenRouter models APINot checked yet
Price on baidu$0.0100 per million cached input tokensChecked OpenRouter models API$0.260 per million cached input tokensChecked OpenRouter models API
Price on baidu$0.050 per million input tokensChecked OpenRouter models API$1.40 per million input tokensChecked OpenRouter models API
Price on baidu$0.100 per million output tokensChecked OpenRouter models API$4.40 per million output tokensChecked OpenRouter models API
Price on cloudflare$0.014 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on cloudflare$0.440 per million input tokensChecked OpenRouter models APINot checked yet
Price on cloudflare$1.32 per million output tokensChecked OpenRouter models APINot checked yet
Price on crusoe$0.030 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on crusoe$0.140 per million input tokensChecked OpenRouter models APINot checked yet
Price on crusoe$0.280 per million output tokensChecked OpenRouter models APINot checked yet
Price on deepinfra$0.018 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on deepinfra$0.090 per million input tokensChecked OpenRouter models APINot checked yet
Price on deepinfra$0.180 per million output tokensChecked OpenRouter models APINot checked yet
Price on digitalocean$0.020 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on digitalocean$0.098 per million input tokensChecked OpenRouter models APINot checked yet
Price on digitalocean$0.196 per million output tokensChecked OpenRouter models APINot checked yet
Price on fireworks$0.021 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on fireworks$0.105 per million input tokensChecked OpenRouter models APINot checked yet
Price on fireworks$0.210 per million output tokensChecked OpenRouter models APINot checked yet
Price on gmicloud$0.018 per million cached input tokensChecked OpenRouter models API$0.260 per million cached input tokensChecked OpenRouter models API
Price on gmicloud$0.091 per million input tokensChecked OpenRouter models API$1.40 per million input tokensChecked OpenRouter models API
Price on gmicloud$0.182 per million output tokensChecked OpenRouter models API$4.40 per million output tokensChecked OpenRouter models API
Price on mancer$0.075 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on mancer$0.150 per million input tokensChecked OpenRouter models APINot checked yet
Price on mancer$0.500 per million output tokensChecked OpenRouter models APINot checked yet
Price on parasail$0.070 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on parasail$0.140 per million input tokensChecked OpenRouter models APINot checked yet
Price on parasail$0.280 per million output tokensChecked OpenRouter models APINot checked yet
Price on qwen$0.030 per million cached input tokensChecked OpenRouter models API$0.247 per million cached input tokensChecked OpenRouter models API
Price on qwen$0.150 per million input tokensChecked OpenRouter models API$1.33 per million input tokensChecked OpenRouter models API
Price on qwen$0.300 per million output tokensChecked OpenRouter models API$4.18 per million output tokensChecked OpenRouter models API
Price on relace$0.050 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on relace$0.050 per million input tokensChecked OpenRouter models APINot checked yet
Price on relace$0.450 per million output tokensChecked OpenRouter models APINot checked yet
Price on siliconflow$0.028 per million cached input tokensChecked OpenRouter models API$0.600 per million cached input tokensChecked OpenRouter models API
Price on siliconflow$0.130 per million input tokensChecked OpenRouter models API$1.19 per million input tokensChecked OpenRouter models API
Price on siliconflow$0.280 per million output tokensChecked OpenRouter models API$3.74 per million output tokensChecked OpenRouter models API
Price on streamlake$0.014 per million cached input tokensChecked OpenRouter models API$0.179 per million cached input tokensChecked OpenRouter models API
Price on streamlake$0.070 per million input tokensChecked OpenRouter models API$0.966 per million input tokensChecked OpenRouter models API
Price on streamlake$0.140 per million output tokensChecked OpenRouter models API$3.04 per million output tokensChecked OpenRouter models API
Price on venice$0.020 per million cached input tokensChecked OpenRouter models API$0.260 per million cached input tokensChecked OpenRouter models API
Price on venice$0.097 per million input tokensChecked OpenRouter models API$1.40 per million input tokensChecked OpenRouter models API
Price on venice$0.193 per million output tokensChecked OpenRouter models API$4.40 per million output tokensChecked OpenRouter models API
Price on wafer$0.024 per million cached input tokensChecked OpenRouter models APINot checked yet
Price on wafer$0.120 per million input tokensChecked OpenRouter models APINot checked yet
Price on chutesNot checked yet$0.090 per million cached input tokensChecked OpenRouter models API
Price on chutesNot checked yet$0.900 per million input tokensChecked OpenRouter models API
Price on chutesNot checked yet$2.90 per million output tokensChecked OpenRouter models API
Price on friendliNot checked yet$0.260 per million cached input tokensChecked OpenRouter models API
Price on friendliNot checked yet$1.40 per million input tokensChecked OpenRouter models API
Price on friendliNot checked yet$4.40 per million output tokensChecked OpenRouter models API
Price on nebiusNot checked yet$0.260 per million cached input tokensChecked OpenRouter models API
Price on nebiusNot checked yet$1.40 per million input tokensChecked OpenRouter models API
Price on nebiusNot checked yet$4.40 per million output tokensChecked OpenRouter models API
Price on novitaNot checked yet$0.260 per million cached input tokensChecked OpenRouter models API
Price on novitaNot checked yet$1.38 per million input tokensChecked OpenRouter models API
Price on novitaNot checked yet$4.40 per million output tokensChecked OpenRouter models API
Price on phalaNot checked yet$0.600 per million cached input tokensChecked OpenRouter models API
Price on phalaNot checked yet$1.21 per million input tokensChecked OpenRouter models API
Price on phalaNot checked yet$4.20 per million output tokensChecked OpenRouter models API
Price on z-aiNot checked yet$0.260 per million cached input tokensChecked OpenRouter models API
Price on z-aiNot checked yet$1.40 per million input tokensChecked OpenRouter models API
Price on z-aiNot checked yet$4.40 per million output tokensChecked OpenRouter models API
Latest versiondeepseek/deepseek-v4-flash-20260423Checked OpenRouter models APIz-ai/glm-5.1-20260406Checked OpenRouter models API
Time to first token (ms) on atlas-cloud4,192Checked OpenRouter models API2,307Checked OpenRouter models API
Time to first token (ms) on azure1,270Checked OpenRouter models APINot checked yet
Time to first token (ms) on baidu920Checked OpenRouter models API1,076Checked OpenRouter models API
Time to first token (ms) on cloudflare1,278Checked OpenRouter models APINot checked yet
Time to first token (ms) on crusoe582Checked OpenRouter models APINot checked yet
Time to first token (ms) on deepinfra758Checked OpenRouter models APINot checked yet
Time to first token (ms) on digitalocean852Checked OpenRouter models APINot checked yet
Time to first token (ms) on fireworks6,463Checked OpenRouter models APINot checked yet
Time to first token (ms) on gmicloud1,789Checked OpenRouter models API1,781Checked OpenRouter models API
Time to first token (ms) on mancer1,125Checked OpenRouter models APINot checked yet
Time to first token (ms) on parasail441Checked OpenRouter models APINot checked yet
Time to first token (ms) on qwen1,826Checked OpenRouter models API855Checked OpenRouter models API
Time to first token (ms) on relace483Checked OpenRouter models APINot checked yet
Time to first token (ms) on siliconflow3,088Checked OpenRouter models API1,300Checked OpenRouter models API
Time to first token (ms) on streamlake3,968Checked OpenRouter models API3,010Checked OpenRouter models API
Time to first token (ms) on venice995Checked OpenRouter models API939Checked OpenRouter models API
Time to first token (ms) on wafer350Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on atlas-cloud33Checked OpenRouter models API49.5Checked OpenRouter models API
Output speed (tokens a second) on azure89Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on baidu109Checked OpenRouter models API78Checked OpenRouter models API
Output speed (tokens a second) on cloudflare67Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on crusoe74Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on deepinfra52Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on digitalocean14Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on fireworks60Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on gmicloud77Checked OpenRouter models API51Checked OpenRouter models API
Output speed (tokens a second) on mancer48Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on parasail51Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on qwen84Checked OpenRouter models API71Checked OpenRouter models API
Output speed (tokens a second) on relace112Checked OpenRouter models APINot checked yet
Output speed (tokens a second) on siliconflow25Checked OpenRouter models API58Checked OpenRouter models API
Output speed (tokens a second) on streamlake20Checked OpenRouter models API27Checked OpenRouter models API
Output speed (tokens a second) on venice50Checked OpenRouter models API58Checked OpenRouter models API
Output speed (tokens a second) on wafer73Checked OpenRouter models APINot checked yet
Time to first token (ms)Not checked yet1,420Checked Artificial Analysis
Time to first token (ms) on chutesNot checked yet1,535Checked OpenRouter models API
Time to first token (ms) on friendliNot checked yet497Checked OpenRouter models API
Time to first token (ms) on nebiusNot checked yet810Checked OpenRouter models API
Time to first token (ms) on novitaNot checked yet5,758Checked OpenRouter models API
Time to first token (ms) on phalaNot checked yet3,769Checked OpenRouter models API
Time to first token (ms) on z-aiNot checked yet3,934Checked OpenRouter models API
Output speed (tokens a second)Not checked yet81.5Checked Artificial Analysis
Output speed (tokens a second) on chutesNot checked yet37Checked OpenRouter models API
Output speed (tokens a second) on friendliNot checked yet91Checked OpenRouter models API
Output speed (tokens a second) on nebiusNot checked yet30Checked OpenRouter models API
Output speed (tokens a second) on novitaNot checked yet27.5Checked OpenRouter models API
Output speed (tokens a second) on phalaNot checked yet23.5Checked OpenRouter models API
Output speed (tokens a second) on z-aiNot checked yet26Checked OpenRouter models API
Tokens served on OpenRouter in a day335.4B (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)2.7B (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Tool calls on OpenRouter in a day5.7M (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)20.6K (for 10 Nov 2026)Checked OpenRouter model activity (748 of 748 series)
Artificial Analysis Intelligence Index24.4Checked Artificial Analysis via OpenRouter26.1Checked Artificial Analysis via OpenRouter
Artificial Analysis Coding Index56.2Checked Artificial Analysis via OpenRouter55.8Checked Artificial Analysis via OpenRouter
Artificial Analysis Agentic Index26.3Checked Artificial Analysis via OpenRouter23.9Checked Artificial Analysis via OpenRouter
Design Arena rating (Elo)1,204Checked Design Arena via OpenRouter1,366Checked Design Arena via OpenRouter
Dtbench86.4% (for 24 Apr 2026)Checked Epoch AI (CC BY 4.0)Not checked yet
Lmca35.9% (for 24 Apr 2026)Checked Epoch AI (CC BY 4.0)Not checked yet
Simplebench46.3% (for 24 Apr 2026)Checked Epoch AI (CC BY 4.0)55.1% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Weirdml45.6% (for 24 Apr 2026)Checked Epoch AI (CC BY 4.0)57.1% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
LMArena text rating (Elo)Not checked yet1,463Checked LMArena (CC-BY-4.0), published 2026-11-09
LMArena web development rating (Elo)Not checked yet1,508Checked LMArena (CC-BY-4.0), published 2026-11-09
Gpqa diamondNot checked yet89.9% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Swe bench verifiedNot checked yet74.2% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Frontiermath tiers 1 3 v2 privateNot checked yet36.8% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Simpleqa verifiedNot checked yet34% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Apex agentsNot checked yet40.9% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Chess puzzlesNot checked yet20% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
ExploitbenchNot checked yet18.1% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Frontiermath 2025 02 28 privateNot checked yet33.4% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Frontiermath tier 4 2025 07 01 privateNot checked yet12.5% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
ProofbenchNot checked yet22.2% (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)
Otis mock aime 2024 2025Not checked yet93.3% (saturated benchmark: the top models all score near the ceiling) (for 7 Apr 2026)Checked Epoch AI (CC BY 4.0)

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