// compare
AI model comparisons
Side-by-side pages for the models people actually choose between, built from live API prices: specs, monthly cost for four workloads, 30-day price stability, vendor claims with sources and a plain recommendation.
Data updated 2026-11-11 - 31 comparisons.
Flagship models
| Comparison | Input / output per 1M | Context |
|---|---|---|
| Claude Opus 5.5 vs GPT-6 Astra | $4 / $20 vs $10 / $50 | 1M vs 1.05M |
| Claude Opus 5.5 vs Gemini 4 Argon | $4 / $20 vs $2 / $10 | 1M vs 1.05M |
| Gemini 4 Argon vs GPT-6 Astra | $2 / $10 vs $10 / $50 | 1.05M vs 1.05M |
| Claude Fable 5.1 vs GPT-6 Astra | $10 / $50 vs $10 / $50 | 1M vs 1.05M |
| Claude Fable 5.1 vs Claude Opus 5.5 | $10 / $50 vs $4 / $20 | 1M vs 1M |
| Claude Fable 5.1 vs Gemini 4 Argon | $10 / $50 vs $2 / $10 | 1M vs 1.05M |
| GPT-6.1 Sol vs GPT-6 Astra | $2 / $10 vs $10 / $50 | 1.05M vs 1.05M |
New version vs previous version
| Comparison | Input / output per 1M | Context |
|---|---|---|
| GPT-6.1 Sol vs GPT-6 Sol | $2 / $10 vs $2 / $10 | 1.05M vs 1.05M |
| Claude Opus 5.5 vs Claude Opus 5 | $4 / $20 vs $5 / $25 | 1M vs 1M |
| Claude Sonnet 5.5 vs Claude Sonnet 5 | $2 / $10 vs $2 / $10 | 1M vs 1M |
High-end and mid-tier models
| Comparison | Input / output per 1M | Context |
|---|---|---|
| GPT-6.1 Sol vs Claude Sonnet 5.5 | $2 / $10 vs $2 / $10 | 1.05M vs 1M |
| GPT-6.1 Sol vs Claude Opus 5.5 | $2 / $10 vs $4 / $20 | 1.05M vs 1M |
| GPT-6.1 Sol vs Gemini 4 Argon | $2 / $10 vs $2 / $10 | 1.05M vs 1.05M |
| Claude Sonnet 5.5 vs Gemini 4 Argon | $2 / $10 vs $2 / $10 | 1M vs 1.05M |
| Claude Sonnet 5.5 vs Claude Opus 5.5 | $2 / $10 vs $4 / $20 | 1M vs 1M |
| Grok 4.7 vs GPT-6.1 Sol | $2 / $6 vs $2 / $10 | 500K vs 1.05M |
| Grok 4.7 vs Claude Sonnet 5.5 | $2 / $6 vs $2 / $10 | 500K vs 1M |
| Grok 4.7 vs Gemini 4 Argon | $2 / $6 vs $2 / $10 | 500K vs 1.05M |
| Grok 4.7 vs Claude Opus 5.5 | $2 / $6 vs $4 / $20 | 500K vs 1M |
Open-weight and Chinese models
| Comparison | Input / output per 1M | Context |
|---|---|---|
| DeepSeek V4 Pro vs GPT-6.1 Sol | $0.955 / $1.91 vs $2 / $10 | 1.05M vs 1.05M |
| DeepSeek V4 Pro vs Claude Sonnet 5.5 | $0.955 / $1.91 vs $2 / $10 | 1.05M vs 1M |
| DeepSeek V4 Pro vs Kimi K3 | $0.955 / $1.91 vs $0.192 / $16 | 1.05M vs 1.05M |
| Kimi K3 vs Claude Opus 5.5 | $0.192 / $16 vs $4 / $20 | 1.05M vs 1M |
| Kimi K3 vs GPT-6.1 Sol | $0.192 / $16 vs $2 / $10 | 1.05M vs 1.05M |
| Qwen3.8 Max vs DeepSeek V4 Pro | $2 / $6 vs $0.955 / $1.91 | 1M vs 1.05M |
| Qwen3.8 Max vs GPT-6.1 Sol | $2 / $6 vs $2 / $10 | 1M vs 1.05M |
| GLM-5.3 vs DeepSeek V4 Pro | $0.0699 / $1.4 vs $0.955 / $1.91 | 1.05M vs 1.05M |
| GLM-5.3 vs Claude Sonnet 5.5 | $0.0699 / $1.4 vs $2 / $10 | 1.05M vs 1M |
Budget models
| Comparison | Input / output per 1M | Context |
|---|---|---|
| GPT-6 Luna vs Gemini 3.8 Flash | $0.1 / $0.5 vs $0.825 / $4.13 | 1.05M vs 1.05M |
| GPT-6 Luna vs DeepSeek V4.1 Flash | $0.1 / $0.5 vs $0.051 / $0.567 | 1.05M vs 1.05M |
| Gemini 3.8 Flash vs DeepSeek V4.1 Flash | $0.825 / $4.13 vs $0.051 / $0.567 | 1.05M vs 1.05M |
All models in the comparison set
More comparisons on Quantslant
- GPT-6 Astra vs Claude Opus 5: price and context compared
- Gemini 4 Argon vs GPT-6 Astra vs Claude Opus 5.5 Benchmarks
- GPT-6 Sol vs Claude Sonnet 5: Price and Context Compared
- Claude Sonnet 5.5 vs GPT-5.6 Sol Pro: Which Model to Choose
- Grok 4.7 vs Kimi K3: Price and Context Comparison
- Qwen 3.8 vs GPT-5.6 Luna: 7x Price Gap, Same Context
- Codex vs Claude Code: Which AI Coding Agent Should You Use?
- ChatGPT Plus vs Pro: Pricing, Limits, and Which to Choose
Want a pair that is not here? The interactive comparison covers every model in the atlas. Cheapest options by use case: cheapest AI models.
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