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 1,420), while Claude Fable 5 leads in SWE-bench software engineering benchmarks (80%), while Kimi Chat 1.5 is more budget-friendly at $0.8/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
10 benchmarks 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).
Moonshot ultra-long context model supporting up to 2 million tokens per request.
Currently comparing Claude Fable 5 vs Kimi Chat 1.5. 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 196 Arena Elo pts
95 tok/s
$0.8 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability 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 | Kimi Chat 1.5 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +196 | ||
| Coding Elo | +232 | ||
| LiveBench | +17.2% | ||
| SWE-bench | +29% | ||
| GPQA Diamond | +16.1% | ||
| Time to first token | +130 ms | ||
| Output speed | 58 tok/s | 95 tok/s | +37 tok/s |
| Input price | $0.2/1M | +$9.8/1M | |
| Output price | $0.8/1M | +$49.2/1M | |
| Context window | +1M |
Simulate monthly production API costs in USD (US Dollar).
Kimi Chat 1.5 is estimated to save $1,081.00/month ($12,972/year).
Higher SWE-bench (80%).
Lower output list price ($0.8/1M).
Lower TTFT (210 ms).
Larger window (2M).
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 | Kimi Chat 1.5 | Lower output list price ($0.8/1M). |
| Voice / low-latency UI | Kimi Chat 1.5 | Lower TTFT (210 ms). |
| Long-document RAG | Kimi Chat 1.5 | Larger window (2M). |
| Screenshots / vision | Claude Fable 5 | Claude Fable 5 is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
