Compare
Model vs model
Two models side by side on what llmwise can state and keep true: messages on every plan, what a message costs, context, what each reads, and how each is served. Model by model below; family by family after that.
Flagships and the middle
The biggest models against each other, and against the models a step down.
- Claude Fable 5.1 vs GPT-6 Astra
They cost the same in llmwise: up to 31 messages a month on Pro on either.
- Claude Fable 5.1 vs Claude Opus 5.5
Claude Opus 5.5 gets twice as many messages: up to 62 messages a month on Pro, against up to 31 messages a month for Claude Fable 5.1.
- Claude Opus 5.5 vs Claude Sonnet 5
Claude Sonnet 5 gets twice as many messages: up to 125 messages a month on Pro, against up to 62 messages a month for Claude Opus 5.5.
- Claude Opus 5.5 vs GPT-6 Astra
Claude Opus 5.5 gets twice as many messages: up to 62 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra.
- Claude Opus 5.5 vs GPT-6 Sol
GPT-6 Sol gets twice as many messages: up to 125 messages a month on Pro, against up to 62 messages a month for Claude Opus 5.5.
- GPT-6 Astra vs GPT-6 Sol
GPT-6 Sol gets four times as many messages: up to 125 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra.
- Claude Fable 5.1 vs Kimi K3
Kimi K3 gets four times as many messages: up to 125 messages a month on Pro, against up to 31 messages a month for Claude Fable 5.1.
- Claude Opus 5.5 vs DeepSeek V4 Pro
DeepSeek V4 Pro gets four times as many messages: up to 250 messages a month on Pro, against up to 62 messages a month for Claude Opus 5.5.
- Claude Fable 5.1 vs Grok 4.7
Grok 4.7 gets eight times as many messages: up to 250 messages a month on Pro, against up to 31 messages a month for Claude Fable 5.1.
- GPT-6 Astra vs Grok 4.7
Grok 4.7 gets eight times as many messages: up to 250 messages a month on Pro, against up to 31 messages a month for GPT-6 Astra.
Fast models
The fast, low-cost models, most of them everyday models with a daily count.
- Gemini 3.8 Flash vs DeepSeek V4.1 Flash
DeepSeek V4.1 Flash is an everyday model (60 messages a day on Pro); Gemini 3.8 Flash draws on the monthly allowance (up to 250 messages a month on Pro).
- GPT-6 Luna vs DeepSeek V4.1 Flash
Both are everyday models: each message comes from Pro's 60 a day, so they cost the same.
Family by family
Whole families head to head: every model on both sides, and which to use for what.
How these pages relate
A family page, like Claude vs Gemini, covers every model on both sides. A model page here names two models, like Claude Fable 5.1 vs GPT-6 Astra, with each one's messages on every plan. Each links to the other. None ranks models: llmwise publishes no benchmark scores, so the quickest honest test is your own question on both, in one chat.
12 model pairs so far, chosen from what people search for rather than every possible pair.
Claude, GPT, Gemini, DeepSeek, Grok, Kimi, and GLM, in one chat.
See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.