Grok 4.20 vs Qwen3.8 Omni Flash

Price, context window & benchmark comparison

X

Grok 4.20

xAI
$1.25 / $2.50
Input / Output · per 1M tokens
VS
Q

Qwen3.8 Omni Flash

Qwen (Alibaba)
$0.15 / $0.47
Input / Output · per 1M tokens
Compare different models
X
Q
Verdict: Qwen3.8 Omni Flash is 6.8× cheaper than Grok 4.20 on a typical 3:1 input/output mix. Grok 4.20 has the larger context window (2M vs 1M).
Grok 4.20Qwen3.8 Omni Flash
Input price / 1M$1.25$0.15
Output price / 1M$2.50$0.47
Blended price (3:1)$1.56$0.23
Cached input / 1M$0.20$0.016
Context window2M1M
Max output1.8M131K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-03-312026-09-21
Retirement——

Cost calculator

FAQ

Which is cheaper, Grok 4.20 or Qwen3.8 Omni Flash?

Qwen3.8 Omni Flash is 6.8× cheaper than Grok 4.20 on a typical 3:1 input/output mix.

Grok 4.20 vs Qwen3.8 Omni Flash: which has a bigger context window?

Grok 4.20: 2,000,000 tokens. Qwen3.8 Omni Flash: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Grok 4.20 ≈ $3,750, Qwen3.8 Omni Flash ≈ $535.00.

More comparisons

Grok 4.20 vs GLM 5.3 PrimeGrok 4.20 vs Qwen3.8 Max PrimeGrok 4.20 vs Command A+Grok 4.20 vs GPT-6 Luna ProGrok 4.20 vs GPT-6 LunaGrok 4.20 vs GPT-6 Sol ProGrok 4.20 vs GPT-6 SolGrok 4.20 vs Claude Opus 5.5Grok 4.20 vs MiMo-V2.6-Pro-UltraSpeedGrok 4.20 vs MiMo-V2.6-FlashGrok 4.20 vs Grok 4.7Grok 4.20 vs GLM 5.3 FlashXGrok 4.20 vs DeepSeek V4.1 FlashGrok 4.20 vs GPT-6 AstraGrok 4.20 vs GPT-6 Astra ProGrok 4.20 vs Qwen3.8 Max (0902)Qwen3.8 Omni Flash vs GLM 5.3 PrimeQwen3.8 Omni Flash vs Qwen3.8 Max PrimeQwen3.8 Omni Flash vs Command A+Qwen3.8 Omni Flash vs GPT-6 Luna ProQwen3.8 Omni Flash vs GPT-6 LunaQwen3.8 Omni Flash vs GPT-6 Sol ProQwen3.8 Omni Flash vs GPT-6 SolQwen3.8 Omni Flash vs Claude Opus 5.5