Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Grok 4 delivers higher overall intelligence and human-preferred responses (Elo 1,488 vs 1,438), while Grok 4 leads in SWE-bench software engineering benchmarks (58.6%), while Claude Haiku 4.5 is more budget-friendly at $5/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Anthropic cheap/fast Claude SKU. Official Claude Platform list price $1/$5 per 1M tokens (Anthropic Haiku page).
Currently comparing Claude Haiku 4.5 vs Grok 4. Alternative family tiers available.
Δ 50 Arena Elo pts
175 tok/s
$5 / 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 Haiku 4.5 | Grok 4 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +50 | ||
| Coding Elo | — | — | |
| LiveBench | +1.7% | ||
| SWE-bench | +0.4% | ||
| GPQA Diamond | +5% | ||
| Time to first token | +135 ms | ||
| Output speed | 175 tok/s | 98 tok/s | +77 tok/s |
| Input price | +$2/1M | ||
| Output price | +$10/1M | ||
| Context window | +56k |
Simulate monthly production API costs in USD (US Dollar).
Claude Haiku 4.5 is estimated to save $220.00/month ($2,640/year).
Higher SWE-bench (58.6%).
Lower output list price ($5/1M).
Lower TTFT (95 ms).
Larger window (256k).
Both accept images. Defaulting to the higher-Elo side (Grok 4).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Grok 4 | Higher SWE-bench (58.6%). |
| High-volume chat | Claude Haiku 4.5 | Lower output list price ($5/1M). |
| Voice / low-latency UI | Claude Haiku 4.5 | Lower TTFT (95 ms). |
| Long-document RAG | Grok 4 | Larger window (256k). |
| Screenshots / vision | Grok 4 | Both accept images. Defaulting to the higher-Elo side (Grok 4). |
$1/$5 hosted Claude vs a cheap long-context open sibling. The alternative-to-Sonnet pair that is honest.
Huge window, cheap hosted lists. The Haiku alternative that is actually open-weight.
Official Anthropic list $1/$5. This is the SKU behind “cheapest Claude alternative” that is still Claude.
2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.
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Verified Head-to-Head Telemetry
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