Claude 3.5 Haiku vs GPT-4o mini
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 · GPT-4o mini specs- PriceGPT-4o mini
GPT-4o mini is roughly 6.7× cheaper on output tokens ($0.60 vs $4.00 per 1M).
- Context windowClaude 3.5 Haiku
Claude 3.5 Haiku accepts 200K tokens vs 128K, 1.6× 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 GPT-4o mini: 1 category wins each, with the rest tied. GPT-4o mini is roughly 6.7× cheaper on output tokens ($0.60 vs $4.00 per 1M). Claude 3.5 Haiku accepts 200K tokens vs 128K, 1.6× 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.
Claude 3.5 Haiku is the newer of the two, released 4 months after GPT-4o mini, 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 GPT-4o mini sees more deployments in customer support and summarization. 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 | GPT-4o mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Released | Nov 2024 | Jul 2024 |
| Modalities | text, vision | text, vision |
| Context window | 200K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | $0.80 / 1M tokens | $0.15 / 1M tokens |
| Output · 1M | $4.00 / 1M tokens | $0.60 / 1M tokens |
| Knowledge cutoff | , | , |
| 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 $1.35
- Heavy usage, 1M in / 500k out per day$84.00 vs $13.50
- RAG workload, 5M in / 200k out per day$144 vs $26.10
Light usage, 100k in / 50k out per day: $8.40 vs $1.35 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $84.00 vs $13.50 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $144 vs $26.10 per month, model B 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
- GPT-4o mini$0.045
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- MMLU,82.0
Claude 3.5 Haiku fits when…
- Fast
- Cheap for Anthropic
- Strong code at small size
- Long-context tasks, handles 200K tokens vs 128K for GPT-4o mini.
GPT-4o mini fits when…
- Cheap
- Fast
- Mature
- Cost-sensitive workloads, 6.7× cheaper than Claude 3.5 Haiku on output tokens.
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 GPT-4o mini cheaper?
GPT-4o mini is cheaper at $0.60 / 1M tokens per million output tokens, vs $4.00 / 1M tokens for Claude 3.5 Haiku.Which has the larger context window?
Claude 3.5 Haiku accepts 200K tokens vs 128K for GPT-4o mini.Is Claude 3.5 Haiku or GPT-4o mini better for coding?
Both Claude 3.5 Haiku and GPT-4o mini 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 GPT-4o mini released?
Claude 3.5 Haiku was released by Anthropic on 2024-11-04. GPT-4o mini was released by OpenAI on 2024-07-18.
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