AI Models · Compare
Claude 3.5 Haiku vs GPT-4o mini
Which AI model is better in 2026? Compare Claude 3.5 Haiku and GPT-4o mini on benchmarks, pricing, speed, context window, and real-world fit.
Quick summary
GPT-4o mini is currently the stronger overall pick for coding, math, speed, and price. Claude 3.5 Haiku wins on reasoning and context. GPT-4o mini is also cheaper on blended API price ($0.26 vs $1.60 / 1M).
Overall winner
GPT-4o mini
Claude 3.5 Haiku wins
- Reasoning
- Context
GPT-4o mini wins
- Coding
- Math
- Speed
- Price
Want to compare different models?
Pick any two modelsClaude 3.5 Haiku
Fast + cheap with a huge context — great for RAG and classification.
GPT-4o mini
Cheap, fast, and still surprisingly capable — OpenAI’s budget tier.
Claude 3.5 Haiku vs GPT-4o mini: overview
Claude 3.5 Haiku (Anthropic) and GPT-4o mini (OpenAI) are frequently compared by teams choosing an AI stack in 2026. Claude 3.5 Haiku: Fast + cheap with a huge context — great for RAG and classification. GPT-4o mini: Cheap, fast, and still surprisingly capable — OpenAI’s budget tier. This Claude 3.5 Haiku vs GPT-4o mini comparison covers benchmarks, pricing, context window, speed, modalities, strengths, weaknesses, and who should pick which model.
Claude 3.5 Haiku is proprietary with a 200k-token context window and a blended API price near $1.60 / 1M tokens (intelligence index 58/100). GPT-4o mini is proprietary with 128k context at about $0.26 blended / 1M (intelligence 56/100). Those gaps drive most “Claude 3.5 Haiku vs GPT-4o mini” searches — quality versus cost, closed versus open, cloud versus self-host.
Where they differ most: Claude 3.5 Haiku tends to lead on reasoning and context, while GPT-4o mini leads on coding, math, speed, and price. Choose GPT-4o mini when you want the stronger overall profile on our scorecard; validate with your own evals before migrating production traffic.
Claude 3.5 Haiku is often shortlisted for rag, classification, and form filling. GPT-4o mini fits high-volume tasks and cost-sensitive apis. Scroll to pricing, real-world tasks, and the who-should-choose section for decision support.
People search “Claude 3.5 Haiku vs GPT-4o mini”, “which is better”, and “Claude 3.5 Haiku vs GPT-4o mini pricing” for the same reason: switching models is expensive if quality drops, and staying put is expensive if you overpay. Use the winner card for a fast answer, the head-to-head table for receipts, and the editorial verdict for a human recommendation. Claude 3.5 Haiku currently ranks among competitive options from Anthropic; GPT-4o mini is a hosted alternative from OpenAI. If API pricing is your main concern, start with the pricing section; for multimodal workloads, check vision/audio rows in technical differences; for agents and long documents, prioritize context and reasoning wins.
Head to head
Pricing comparison
API cost is often the deciding factor in Claude 3.5 Haiku vs GPT-4o mini for high-volume apps. Figures below use catalog list prices with a 3:1 input:output blend for monthly estimates. Cached input, batch, and realtime surcharges vary by provider — confirm on official docs.
| API cost | Claude 3.5 Haiku | GPT-4o mini |
|---|---|---|
| Input / 1M tokens | $0.80 | $0.15 |
| Output / 1M tokens | $4.00 | $0.60 |
| Blended (3:1) / 1M | $1.60 | $0.26 |
| Est. cost @ 1M blended tokens | $1.60 | $0.26 |
| Est. cost @ 10M blended tokens | $16.00 | $2.60 |
| Est. cost @ 100M blended tokens | $160.00 | $26.00 |
Cached input, batch API, and realtime surcharges are provider-specific and not always published in our catalog — verify on official pricing pages.
Benchmark showdown
Claude 3.5 Haiku leads on MMLU Pro and GPQA, indicating stronger reasoning-oriented scores. GPT-4o mini leads on MMLU, MATH, and HumanEval. GPT-4o mini remains attractive for production deployments on price. Raw benchmarks shortlist models — run task-specific evals before you switch.
Real-world performance
Beyond academic scores, here is how Claude 3.5 Haiku vs GPT-4o mini tends to split common product tasks based on catalog strengths, price, and modalities.
| Task | Winner |
|---|---|
| Coding | GPT-4o mini |
| Blog writing | Claude 3.5 Haiku |
| Research | Claude 3.5 Haiku |
| Customer support | GPT-4o mini |
| Cheap API / high volume | GPT-4o mini |
| AI agents | Claude 3.5 Haiku |
| Summarization | Claude 3.5 Haiku |
| Translation | Claude 3.5 Haiku |
| Vision / multimodal | GPT-4o mini |
| Self-hosting / open weights | GPT-4o mini |
Technical differences
| Feature | Claude 3.5 Haiku | GPT-4o mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| License | Proprietary | Proprietary |
| Pricing model | tokens | tokens |
| Context window | 200k tokens | 128k tokens |
| Max output | 8k tokens | 16k tokens |
| Vision input | No | Yes |
| Audio input | No | No |
| Text output | Yes | Yes |
| Image output | No | No |
| Video output | No | No |
| Audio output | No | No |
| Self-host friendly | No | No |
| Docs | Available | Available |
Strengths, weaknesses and best-for
- 200k context cheap
- Fast
- Reliable on extraction
- Weaker reasoning than Sonnet
- RAG
- Classification
- Form filling
- Cheapest OpenAI model
- Fast
- Vision included
- Falls behind on reasoning and code
- High-volume tasks
- Cost-sensitive APIs
Who should choose which
Choose Claude 3.5 Haiku if
- You need stronger reasoning, coding, or math quality
- You need a larger context window
- RAG
- Classification
Choose GPT-4o mini if
- You need stronger reasoning, coding, or math quality
- You care about faster token throughput
- API budget is the top constraint
- High-volume tasks
- Cost-sensitive APIs
Pros & cons
Claude 3.5 Haiku
Pros
- 200k context cheap
- Fast
- Reliable on extraction
Cons
- Weaker reasoning than Sonnet
GPT-4o mini
Pros
- Cheapest OpenAI model
- Fast
- Vision included
Cons
- Falls behind on reasoning and code
Editorial verdict
GPT-4o mini edges this matchup — with caveats
GPT-4o mini is the better choice when you prioritize coding, math, speed, and price. Claude 3.5 Haiku stands out for reasoning and context, making it a strong option when those dimensions matter more than raw leaderboard rank. If maximum measured performance matters, GPT-4o mini wins this matchup. If your niche constraints matter more, Claude 3.5 Haiku is difficult to beat. Always confirm with a bake-off on your real prompts before cutting over.
Still deciding? Read the full Claude 3.5 Haiku review and GPT-4o mini review, or open the full AI models table.
Claude 3.5 Haiku vs GPT-4o mini — frequently asked questions
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