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AI model usage rankings - September 17, 2026

As published on September 17, 2026, DeepSeek: DeepSeek V4.1 Flash (batch) led real OpenRouter usage share at 11.3%. OpenAI: GPT-5.6 Luna Pro (batch), Google: Gemma 4 26B A4B (free) entered the leaderboard for the first time. Union Alpha moved 17 places up since September 16, 2026.

  1. #1 DeepSeek: DeepSeek V4.1 Flash (batch) - 11.3% usage share
  2. #2 Tencent: Hy4 preview - 9.9% usage share
  3. #3 Z.ai: GLM 5.3 Flash (batch) - 9.8% usage share
  4. #4 DeepSeek: DeepSeek V4 Flash 0423 - 9.4% usage share
  5. #5 OpenAI: GPT-5.6 Luna (batch) - 6.1% usage share
  6. #6 Xiaomi: MiMo-V2.5 - 4.9% usage share
  7. #7 Union Alpha - 4.2% usage share
  8. #8 OpenAI: GPT-6 Astra (batch) - 4.2% usage share
  9. #9 Tencent: Hy3 - 3.8% usage share
  10. #10 NVIDIA: Nemotron 3 Ultra (free) - 3.3% usage share
Change since September 16, 2026
#ModelUsage shareRank change
01DeepSeek: DeepSeek V4.1 Flash (batch)11.3%no change
02Tencent: Hy4 preview9.9%+2 (+1.4pts)
03Z.ai: GLM 5.3 Flash (batch)9.8%no change
04DeepSeek: DeepSeek V4 Flash 04239.4%-2 (-1pts)
05OpenAI: GPT-5.6 Luna (batch)6.1%no change
06Xiaomi: MiMo-V2.54.9%no change
07Union Alpha4.2%+17 (+3.5pts)
08OpenAI: GPT-6 Astra (batch)4.2%+10 (+3pts)
09Tencent: Hy33.8%-2 (-0.3pts)
10NVIDIA: Nemotron 3 Ultra (free)3.3%-2 (+0.3pts)
11Z.ai: GLM 5.3 (batch)2.4%-2 (-0.6pts)
12OpenAI: GPT-5.6 Sol (batch)1.9%no change
13Meta: Muse Spark 1.3 Contributor1.7%no change
14Google: Gemini 3.8 Flash (batch)1.6%-4 (-0.5pts)
15DeepSeek: DeepSeek V4 Pro 04231.6%-4 (-0.4pts)
16Anthropic: Claude Sonnet 5 (batch)1.3%-2 (-0.2pts)
17Z.ai: GLM 5.21.3%-2 (-0.1pts)
18MiniMax: MiniMax M3 (batch)1.2%-2 (-0.1pts)
19MoonshotAI: Kimi K3 (batch)1.1%-2 (-0.1pts)
20Upstage: Solar Pro 41.1%-1 (-0.1pts)
21Anthropic: Claude Opus 5 (batch)1.0%-1 (-0.1pts)
22Poolside: Laguna S 2.1 (free)0.8%-1 (-0.1pts)
23inclusionAI: Ling 3.0 Flash Fin0.8%-1 (0pts)
24NVIDIA: Nemotron 3.5 Lightning (free)0.6%+3 (0pts)
25Google: Gemini 3 Flash Preview (batch)0.6%no change
26Google: Gemini 2.5 Flash Lite0.5%+2 (0pts)
27inclusionAI: Ling 3.0 Flash VL0.5%+3 (0pts)
28Anthropic: Claude Opus 4.8 (batch)0.5%-2 (-0.2pts)
29OpenAI: GPT-5.6 Terra (batch)0.4%no change
30Nex AGI: Nex-N2.5-Pro0.4%+4 (0pts)
31OpenAI: gpt-oss-120b (batch)0.4%-8 (-0.4pts)
32Google: Gemini 3.1 Flash Lite (batch)0.4%+1 (0pts)
33Google: Gemini 3.7 Flash (batch)0.4%-2 (-0.1pts)
34Anthropic: Claude Fable 5.1 (batch)0.4%+1 (0pts)
35Google: Gemini 2.5 Flash0.4%-3 (-0.1pts)
36Qwen: Qwen3.8 Flash0.3%no change
37DeepSeek: DeepSeek V3.20.3%+2 (0pts)
38Anthropic: Claude Sonnet 4.6 (batch)0.3%no change
39Google: Gemma 4 31B (free)0.3%+2 (0pts)
40Qwen: Qwen3.8 Max0.3%+2 (0pts)
41Thinking Machines: Inkling0.3%+3 (0pts)
42SpaceXAI: Grok 4.6 (batch)0.3%-2 (0pts)
43Qwen: Qwen3.7 Flash0.3%-6 (-0.1pts)
44NVIDIA: Nemotron 3 Super0.2%+2 (0pts)
45OpenAI: GPT-5.6 Luna Pro (batch) New0.2%-
46Google: Gemma 4 26B A4B (free) New0.2%-
47Qwen: Qwen3.8 27B (batch)0.2%-4 (-0.1pts)

This page is a permanent, unchanging record of real OpenRouter usage share as it stood on September 17, 2026. Later corrections to the data pipeline appear as new dated snapshots - this page's figures never change.

Source: OpenRouter (openrouter.ai/rankings), as of September 17, 2026.

Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).

Methodology: www.smophy.ai/benchmark/methodology

Token counts originate from each provider's own tokenizer and are not directly comparable across providers.