anthropic vs anthropic
Claude Fable 5.1 vs Claude Opus 5.5
Effectively the same quality — Claude Opus 5.5 is the cheaper way to get it.
$20.00 vs $8.00 / 1MCompare
// model_matchups
Compare LLMs side by side
Every pairing gets the same treatment: LiveBench scores across all seven categories, input and output pricing, context windows, cached-input rates, and the measured dollars behind a point of capability. Prices refresh every 15 minutes, so a comparison does not go stale the week after a price cut.
Closely matched pairs
Each of the top-scoring models against the one ranked immediately below it — the comparisons where the answer is not obvious.
anthropic vs anthropic
Claude Opus 5.5 vs Claude Fable 5
Effectively the same quality — Claude Opus 5.5 is the cheaper way to get it.
$8.00 vs $20.00 / 1MCompare
anthropic vs openai
Claude Fable 5 vs GPT-6 Astra
Claude Fable 5 and GPT-6 Astra are close on both score and price.
$20.00 vs $20.00 / 1MCompare
openai vs openai
GPT-6 Astra vs GPT-6.1 Sol
Effectively the same quality — GPT-6.1 Sol is the cheaper way to get it.
$20.00 vs $4.00 / 1MCompare
openai vs meta
GPT-6.1 Sol vs Muse Spark 1.3
Effectively the same quality — Muse Spark 1.3 is the cheaper way to get it.
$4.00 vs $2.00 / 1MCompare
meta vs deepseek
Muse Spark 1.3 vs DeepSeek V4.1 Flash
Effectively the same quality — DeepSeek V4.1 Flash is the cheaper way to get it.
$2.00 vs $0.602 / 1MCompare
deepseek vs openai
DeepSeek V4.1 Flash vs GPT-5.6 Sol
Effectively the same quality — DeepSeek V4.1 Flash is the cheaper way to get it.
$0.602 vs $4.00 / 1MCompare
openai vs openai
GPT-5.6 Sol vs GPT-5.5
Effectively the same quality — GPT-5.6 Sol is the cheaper way to get it.
$4.00 vs $11.25 / 1MCompare
openai vs anthropic
GPT-5.5 vs Claude Opus 5
Effectively the same quality — Claude Opus 5 is the cheaper way to get it.
$11.25 vs $10.00 / 1MCompare
anthropic vs openai
Claude Opus 5 vs GPT-6 Sol
Effectively the same quality — GPT-6 Sol is the cheaper way to get it.
$10.00 vs $4.00 / 1MCompare
openai vs moonshotai
GPT-6 Sol vs Kimi K3
GPT-6 Sol and Kimi K3 are close on both score and price.
$4.00 vs $4.21 / 1MCompare
moonshotai vs google
Kimi K3 vs Gemini 3.7 Flash
Effectively the same quality — Gemini 3.7 Flash is the cheaper way to get it.
$4.21 vs $1.50 / 1MCompare
Top models
Ranked by overall LiveBench score, with list price and context window.
| Model | Overall | Blended / 1M | Context |
|---|---|---|---|
| Claude Fable 5.1anthropic | 83.4 | $20.00 | 1M |
| Claude Opus 5.5anthropic | 83.2 | $8.00 | 1M |
| Claude Fable 5anthropic | 83.0 | $20.00 | 1M |
| GPT-6 Astraopenai | 82.2 | $20.00 | 1.1M |
| GPT-6.1 Solopenai | 81.6 | $4.00 | 1.1M |
| Muse Spark 1.3meta | 81.6 | $2.00 | 1.0M |
| DeepSeek V4.1 Flashdeepseek | 81.1 | $0.602 | 1.0M |
| GPT-5.6 Solopenai | 81.1 | $4.00 | 1.1M |
| GPT-5.5openai | 80.2 | $11.25 | 1.1M |
| Claude Opus 5anthropic | 80.1 | $10.00 | 1M |
| GPT-6 Solopenai | 79.2 | $4.00 | 1.1M |
| Kimi K3moonshotai | 79.2 | $4.21 | 1.0M |
All pairings
Every combination of the models above. Any two models in the full catalogue can be compared by URL — 458 models, 63 providers.
Claude Fable 5.1 vs Claude Opus 5.5Claude Fable 5.1 vs Claude Fable 5Claude Fable 5.1 vs GPT-6 AstraClaude Fable 5.1 vs GPT-6.1 SolClaude Fable 5.1 vs Muse Spark 1.3Claude Fable 5.1 vs DeepSeek V4.1 FlashClaude Fable 5.1 vs GPT-5.6 SolClaude Fable 5.1 vs GPT-5.5Claude Fable 5.1 vs Claude Opus 5Claude Fable 5.1 vs GPT-6 SolClaude Fable 5.1 vs Kimi K3Claude Opus 5.5 vs Claude Fable 5Claude Opus 5.5 vs GPT-6 AstraClaude Opus 5.5 vs GPT-6.1 SolClaude Opus 5.5 vs Muse Spark 1.3Claude Opus 5.5 vs DeepSeek V4.1 FlashClaude Opus 5.5 vs GPT-5.6 SolClaude Opus 5.5 vs GPT-5.5Claude Opus 5.5 vs Claude Opus 5Claude Opus 5.5 vs GPT-6 SolClaude Opus 5.5 vs Kimi K3Claude Fable 5 vs GPT-6 AstraClaude Fable 5 vs GPT-6.1 SolClaude Fable 5 vs Muse Spark 1.3Claude Fable 5 vs DeepSeek V4.1 FlashClaude Fable 5 vs GPT-5.6 SolClaude Fable 5 vs GPT-5.5Claude Fable 5 vs Claude Opus 5Claude Fable 5 vs GPT-6 SolClaude Fable 5 vs Kimi K3GPT-6 Astra vs GPT-6.1 SolGPT-6 Astra vs Muse Spark 1.3GPT-6 Astra vs DeepSeek V4.1 FlashGPT-6 Astra vs GPT-5.6 SolGPT-6 Astra vs GPT-5.5GPT-6 Astra vs Claude Opus 5GPT-6 Astra vs GPT-6 SolGPT-6 Astra vs Kimi K3GPT-6.1 Sol vs Muse Spark 1.3GPT-6.1 Sol vs DeepSeek V4.1 FlashGPT-6.1 Sol vs GPT-5.6 SolGPT-6.1 Sol vs GPT-5.5GPT-6.1 Sol vs Claude Opus 5GPT-6.1 Sol vs GPT-6 SolGPT-6.1 Sol vs Kimi K3Muse Spark 1.3 vs DeepSeek V4.1 FlashMuse Spark 1.3 vs GPT-5.6 SolMuse Spark 1.3 vs GPT-5.5Muse Spark 1.3 vs Claude Opus 5Muse Spark 1.3 vs GPT-6 SolMuse Spark 1.3 vs Kimi K3DeepSeek V4.1 Flash vs GPT-5.6 SolDeepSeek V4.1 Flash vs GPT-5.5DeepSeek V4.1 Flash vs Claude Opus 5DeepSeek V4.1 Flash vs GPT-6 SolDeepSeek V4.1 Flash vs Kimi K3GPT-5.6 Sol vs GPT-5.5GPT-5.6 Sol vs Claude Opus 5GPT-5.6 Sol vs GPT-6 SolGPT-5.6 Sol vs Kimi K3GPT-5.5 vs Claude Opus 5GPT-5.5 vs GPT-6 SolGPT-5.5 vs Kimi K3Claude Opus 5 vs GPT-6 SolClaude Opus 5 vs Kimi K3GPT-6 Sol vs Kimi K3