Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, Claude Fable 5 delivers higher overall intelligence and human-preferred responses (Elo 1,616 vs 1,536), while Claude Fable 5 leads in SWE-bench software engineering benchmarks (80%), while DeepSeek V4 Pro is more budget-friendly at $3.96/1M 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).
Open-weight-adjacent DeepSeek flagship. High reasoning density per dollar.
Currently comparing Claude Fable 5 vs DeepSeek V4 Pro. 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.
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 80 Arena Elo pts
70 tok/s
$3.9600000000000004 / 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 | DeepSeek V4 Pro | Advantage Delta |
|---|---|---|---|
| Preference Elo | +80 | ||
| Coding Elo | +78 | ||
| LiveBench | +5.1% | ||
| SWE-bench | +8.4% | ||
| GPQA Diamond | +3.6% | ||
| Time to first token | +70 ms | ||
| Output speed | 58 tok/s | 70 tok/s | +12 tok/s |
| Input price | $1.32/1M | +$8.68/1M | |
| Output price | $3.96/1M | +$46.04/1M | |
| Context window | +49k |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek V4 Pro is estimated to save $994.40/month ($11,933/year).
Higher SWE-bench (80%).
Lower output list price ($3.96/1M).
Lower TTFT (340 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 | DeepSeek V4 Pro | Lower output list price ($3.96/1M). |
| Voice / low-latency UI | Claude Fable 5 | Lower TTFT (340 ms). |
| Long-document RAG | DeepSeek V4 Pro | Larger window (1M). |
| Screenshots / vision | Claude Fable 5 | Claude Fable 5 is the side marked multimodal in the catalog. |
Fable 5 is Anthropic's top-tier X-High reasoning tier. Read SWE-bench and output price together.
Top DeepSeek vs top Anthropic Elo. Usually V4 Pro vs Opus 5. License and invoice decide as much as Elo.
2026-06 open-weight-adjacent flagship. The usual cheap-vs-Claude question starts here.
Jan 2025 reasoning model. Still searched. V4 Pro is the newer DeepSeek buy.
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Verified Head-to-Head Telemetry
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Claude Fable 5: the $10/$50 X-High Reasoning Anthropic SKU
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