GPT-5.4 ProvsQwen3.8 27B
Qwen3.8 27B is cheaper than GPT-5.4 Pro at $0.4/M vs $30/M input tokens.
| Spec | GPT-5.4 Pro | Qwen3.8 27B |
|---|---|---|
| Input price | $30/M tokens | $0.4/M tokens |
| Output price | $180/M tokens | $3/M tokens |
| Context window | 1.1M tokens | 262K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Aug 2026 |
Our Verdict
GPT-5.4 Pro
Qwen3.8 27BRunner-up
Not enough votes to call it. On the specs, GPT-5.4 Pro has the edge: bigger model tier, bigger context window, major provider backing.
Qwen3.8 27B costs 60x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
GPT-5.4 Pro
Input
$30.00
Output
$180.00
Qwen3.8 27B
Input
$0.40
75× cheaper
Output
$3.00
60× cheaper
Qwen3.8 27B is cheaper on both: 75× input, 60× output.
Where to run it
17 hosts, cheapest first
Qwen3.8 27B15 hosts
Darkbloomfp4$0.15 in$2.00 out262k99.7% upDekaLLM$0.20 in$2.50 out262k95.1% upRekafp8$0.21 in$2.55 out262k99.9% upParasailfp8$0.24 in$2.20 out262k99.8% upAkashMLfp8$0.25 in$2.20 out262k99% upMancerfp8$0.25 in$2.75 out262k97.6% up
9 more hostsFewer hosts
io.netfp8$0.30 in$2.80 out66k98.9% upPhala$0.30 in$3.00 out262k96.5% upChutesfp8$0.32 in$2.50 out262k99.4% upIonstreamfp8$0.35 in$2.55 out262k97.6% upCoreWeavefp8$0.40 in$3.00 out262k98.7% upNovita$0.42 in$3.00 out1M99.7% upAlibaba Cloud$0.42 in$2.55 out1M99.9% upVenicefp8$0.45 in$3.20 out262k98.9% upCloudflare Workers AIdegraded$0.45 in$3.20 out262k93.8% up
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
81%
GPT-5.4 Pro uses 2.1x more headings
GPT-5.4 Pro
Qwen3.8 27B
50%Vocabulary49%
35wSentence Length21w
0.70Hedging0.67
7.5Bold3.6
8.3Lists5.3
0.00Emoji0.00
2.52Headings1.21
0.01Transitions0.01
Based on 12 + 26 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
GPT-5.4 Pro vs Ox AlphaNew provider
GPT-5.4 Pro vs MiniMax M3New provider
GPT-5.4 Pro vs Llama 4 MaverickNew provider
GPT-5.4 Pro vs Claude Opus 4New provider
GPT-5.4 Pro vs TNG R1T ChimeraNew provider
GPT-5.4 Pro vs Trinity Large PreviewNew provider
GPT-5.4 Pro vs Andromeda AlphaNew provider
GPT-5.4 Pro vs Aurora AlphaNew provider