Claude 3.5 Haiku vs Grok 4
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Claude 3.5 Haiku specs · Grok 4 specs- PriceClaude 3.5 Haiku
Claude 3.5 Haiku is roughly 3.8× cheaper on output tokens ($4.00 vs $15.00 per 1M).
- Context windowGrok 4
Grok 4 accepts 256K tokens vs 200K, 1.3× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesTie
Both handle text, vision.
- OpennessTie
Both are closed-weight, API-only.
It's a genuine coin-flip between Claude 3.5 Haiku and Grok 4: 1 category wins each, with the rest tied. Claude 3.5 Haiku is roughly 3.8× cheaper on output tokens ($4.00 vs $15.00 per 1M). Grok 4 accepts 256K tokens vs 200K, 1.3× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. Both target the same set of modalities (text, vision), so the deciding factors are price, context, and raw quality. Both are closed-weight, API-only.
Grok 4 is the newer of the two, released 8 months after Claude 3.5 Haiku, which usually means a more recent knowledge cutoff and updated safety post-training. Claude 3.5 Haiku is usually picked for customer support and code completion workloads, while Grok 4 sees more deployments in reasoning and research agent. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Claude 3.5 Haiku | Grok 4 |
|---|---|---|
| Provider | Anthropic | xAI |
| Released | Nov 2024 | Jul 2025 |
| Modalities | text, vision | text, vision |
| Context window | 200K tokens | 256K tokens |
| Max output | , | , |
| Input · 1M | $0.80 / 1M tokens | $3.00 / 1M tokens |
| Output · 1M | $4.00 / 1M tokens | $15.00 / 1M tokens |
| Knowledge cutoff | , | 2024-11 |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$8.40 vs $31.50
- Heavy usage, 1M in / 500k out per day$84.00 vs $315
- RAG workload, 5M in / 200k out per day$144 vs $540
Light usage, 100k in / 50k out per day: $8.40 vs $31.50 per month, model A comes out ahead. Heavy usage, 1M in / 500k out per day: $84.00 vs $315 per month, model A comes out ahead. RAG workload, 5M in / 200k out per day: $144 vs $540 per month, model A comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Claude 3.5 Haiku$0.280
- Grok 4$1.05
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- GPQA,87.5
Claude 3.5 Haiku fits when…
- Fast
- Cheap for Anthropic
- Strong code at small size
- Cost-sensitive workloads, 3.8× cheaper than Grok 4 on output tokens.
Grok 4 fits when…
- Real-time X data access
- Strong on benchmarks at launch
- Less restrictive content policy than peers
Consider Claude Opus 4.7
Anthropic's mid-2026 flagship, ahead on SWE-bench, agent reliability, and writing quality.
Frequently asked
Is Claude 3.5 Haiku or Grok 4 cheaper?
Claude 3.5 Haiku is cheaper at $4.00 / 1M tokens per million output tokens, vs $15.00 / 1M tokens for Grok 4.Which has the larger context window?
Grok 4 accepts 256K tokens vs 200K for Claude 3.5 Haiku.Is Claude 3.5 Haiku or Grok 4 better for coding?
Both Claude 3.5 Haiku and Grok 4 are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Claude 3.5 Haiku and Grok 4 released?
Claude 3.5 Haiku was released by Anthropic on 2024-11-04. Grok 4 was released by xAI on 2025-07-09.
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