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Artificial Analysis Output Speed what it measures, how it is scored and who leads it

Speed, price and usage · Artificial Analysis · Tokens per second

Scores from Artificial Analysis Output Speed, published Sep 26, 2026

RankModelScore
1Gemini 3.8 FlashGoogle · as “Gemini 3.8 Flash (high)”328 tok/s
2DeepSeek V4.1 FlashDeepSeek · as “DeepSeek V4.1 Flash (Reasoning, Max Effort)”233 tok/s
3DeepSeek V4 Flash VisionDeepSeek · as “DeepSeek V4 Flash Vision (Reasoning, Max Effort)”218 tok/s
4Muse Spark 1.3Meta · as “Muse Spark 1.3 (max)”214 tok/s
5GPT-6 LunaOpenAI · as “GPT-6 Luna (max)”154 tok/s
6GPT-5.3 CodexOpenAI · as “GPT-5.3 Codex (xhigh)”119 tok/s
7GPT-5.6 TerraOpenAI · as “GPT-5.6 Terra (max)”100 tok/s
8DeepSeek V4 Pro 0813DeepSeek · as “DeepSeek V4 Pro 0813 (Reasoning, Max Effort)”94 tok/s
9Claude Opus 5.5Anthropic · as “Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)”90 tok/s
10GPT-6 SolOpenAI · as “GPT-6 Sol (max)”86 tok/s
11GLM-5.3Z.ai · as “GLM-5.3 (low)”86 tok/s
12Claude Sonnet 5Anthropic · as “Claude Sonnet 5 (Adaptive Reasoning, Max Effort)”84 tok/s
13Grok 4.7SpaceXAI · as “Grok 4.7 (xhigh)”78 tok/s
14Grok 4.6SpaceXAI · as “Grok 4.6 (xhigh)”72 tok/s
15Step 5 PreviewStepFun · as “Step 5 Preview”69 tok/s
16Claude Fable 5.1Anthropic · as “Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)”69 tok/s
17GPT-6 AstraOpenAI · as “GPT-6 Astra (max)”63 tok/s
18Qwen3.8-Flash-NextAlibaba · as “Qwen3.8-Flash-Next”54 tok/s
19GLM 5.3 FlashZ.ai · as “GLM 5.3 Flash”49 tok/s
20MiMo-V2.6-ProXiaomi · as “MiMo-V2.6-Pro”44 tok/s
21Qwen3.8 27BAlibaba · as “Qwen3.8 27B (xhigh)”44 tok/s
22Qwen3.8 Max (0902)Alibaba · as “Qwen3.8 Max (0902)”39 tok/s
23Qwen3.8 2.4T A95BAlibaba · as “Qwen3.8 2.4T A95B”39 tok/s
24Kimi K3Moonshot AI · as “Kimi K3 (low)”38 tok/s

About this benchmark

Task
Measure how fast a model streams tokens on its first-party API.
Dataset
Repeated live API calls over the past two weeks.
Method
Median output tokens per second after the first token.
Metric
Tokens per second
Organization
Artificial Analysis

Sources: each benchmark's paper (arXiv) and its official site or leaderboard. Scores are the boards captured here every day, exactly as published.

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