Both Claude 4 Haiku and GPT-5.2 Mini are built for high-volume, low-cost workflows. Claude 4 Haiku wins on writing tone and output quality — it's the budget pick when what you're generating actually gets read. GPT-5.2 Mini wins on price and breadth of use cases. For writing-heavy automations, Haiku is the better pick. For general-purpose cheap inference, GPT Mini competes well.
AnthropicBudget
Claude 4 Haiku
Best low-cost writing option for fast-moving content teams.
Winner
VS
OpenAIBalanced
GPT-5.2 Mini
Solid OpenAI budget option, though Gemini Flash offers better value.
At a glance
Claude 4 Haiku
GPT-5.2 Mini
Input cost / 1M tokens
$$0.80/1M
$$1.20/1M
Output cost / 1M tokens
$$4.00/1M
$$4.80/1M
Context window
200k tokens
128k tokens
Speed
Very fast
Fast
Price tier
Budget
Balanced
Benchmarks
SWE-bench (coding)
43%
—
Arena Elo
1,210
—
MMLU
80%
—
How they compare
Which model wins for each use case — and why.
Writing QualityClaude 4 Haiku wins
Claude 4 Haiku produces more natural, polished output for writing tasks — captions, emails, short-form copy. Anthropic's training advantage shows most clearly in budget writing quality.
PriceGPT-5.2 Mini wins
GPT-5.2 Mini is slightly cheaper than Claude 4 Haiku. For extremely high-volume pipelines where every fraction of a cent matters, Mini has the edge.
SpeedTie
Both models are in the 'Very fast' tier. Response latency is comparable — neither has a meaningful advantage for most applications.
CodingGPT-5.2 Mini wins
GPT-5.2 Mini handles light coding tasks slightly better than Claude 4 Haiku. Neither is a strong choice for serious coding — upgrade to Claude Sonnet 4.6 or GPT-5.4 for that.
VersatilityGPT-5.2 Mini wins
GPT-5.2 Mini covers a broader range of use cases reliably. Claude 4 Haiku is more narrowly optimized for writing-first tasks.
Which should you pick?
Pick Claude 4 Haiku if…
Your pipeline generates text that gets read — captions, emails, support replies, short-form copy
Brand voice and output naturalness matter even at budget tier
You're building with Anthropic's API and want consistency across model tiers
The runner-up here, but not by a wide margin. Against Claude 4 Haiku it costs about 20% more per token.
Lower-cost OpenAI model that keeps a solid balance of usefulness, speed, and affordability for everyday tasks.
Input
$1.20/1M
Output
$4.80/1M
Context
128k tokens
Speed
Fast
What people actually use it for
Generating SEO content, product listings, and internal summaries at volume
Lightweight coding assists for simple bug fixes and code completions
Powering chatbot interfaces where response speed matters more than depth
Where it wins
Cheaper than flagship models without becoming toy-grade
Good for edits, summaries, and repetitive operational prompts
Fast enough for embedded product experiences
Where it falls down
Weaker on nuanced reasoning than premium models
Gemini 3.1 Flash is now cheaper with a larger context window
Skip it if
Cost is your primary concern — Gemini 3.1 Flash offers more for less.
Our verdict
A decent budget OpenAI pick, but Gemini 3.1 Flash undercuts it on price with a larger context window.
Full pricing, benchmark table and release notes on the GPT-5.2 Mini page.
Frequently asked questions
Is Claude Haiku or GPT Mini better?
Claude 4 Haiku is better for writing quality and tone. GPT-5.2 Mini is better for price and versatility. For most writing automations, Haiku is the stronger pick.
Which is cheaper — Claude Haiku or GPT Mini?
GPT-5.2 Mini is slightly cheaper than Claude 4 Haiku per token. The difference is small — both are genuinely budget-tier models.
Can Claude Haiku or GPT Mini handle coding?
Both can handle light coding tasks. Neither is strong enough for serious development work — upgrade to Claude Sonnet 4.6 or GPT-5.4 for anything beyond simple scripts or code snippets.
Which budget AI should I start with?
Start with Claude 4 Haiku if writing quality matters. Start with GPT-5.2 Mini if you need the cheapest reliable option for classification, extraction, or general-purpose tasks. Gemini 3.1 Flash is also worth testing — it often beats both on price and context window.
Is there a better budget AI than both?
Gemini 3.1 Flash is often a stronger budget option than either — it has a 1M token context window and is very competitive on price. Worth testing before committing to either Haiku or Mini.