Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Claude Fable 5 delivers higher overall intelligence and human-preferred responses (Elo 1,616 vs 1,445), while Claude Fable 5 leads in SWE-bench software engineering benchmarks (80%), while OpenAI o1-mini is more budget-friendly at $4.4/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
10 direct benchmark disciplines evaluated across capability, speed, and cost
Anthropic top-tier X-High reasoning model engineered for heavy multi-step tasks. Official API $10/$50 per 1M tokens (Claude Platform pricing, Aug 2026).
OpenAI high-speed, cost-effective reasoning model optimized for STEM, math, and code generation.
Currently comparing Claude Fable 5 vs OpenAI o1-mini. Alternative family tiers available.
Simulate accuracy gains vs added response time & token cost
Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.
Δ 171 Arena Elo pts
85 tok/s
$4.4 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Claude Fable 5 | OpenAI o1-mini | Advantage Delta |
|---|---|---|---|
| Preference Elo | +171 | ||
| Coding Elo | +154 | ||
| LiveBench | +13.2% | ||
| SWE-bench | +23.6% | ||
| GPQA Diamond | +10.8% | ||
| Time to first token | +60 ms | ||
| Output speed | 58 tok/s | 85 tok/s | +27 tok/s |
| Input price | $1.1/1M | +$8.9/1M | |
| Output price | $4.4/1M | +$45.6/1M | |
| Context window | +872k |
Simulate monthly production API costs in USD (US Dollar).
OpenAI o1-mini is estimated to save $995.50/month ($11,946/year).
Higher SWE-bench (80%).
Lower output list price ($4.4/1M).
Lower TTFT (280 ms).
Larger window (1M).
Claude Fable 5 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Claude Fable 5 | Higher SWE-bench (80%). |
| High-volume chat | OpenAI o1-mini | Lower output list price ($4.4/1M). |
| Voice / low-latency UI | OpenAI o1-mini | Lower TTFT (280 ms). |
| Long-document RAG | Claude Fable 5 | Larger window (1M). |
| Screenshots / vision | Claude Fable 5 | Claude Fable 5 is the side marked multimodal in the catalog. |
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