Quick Recommendations

Our top 3 picks for this use case, ranked by value.

๐Ÿ† Top Pick

Gemini 1.5 Flash

Cheapest Gemini model. Good for high-volume, simple tasks.

$0.075/M input Medium project: $0.09 1M tokens
View Full Pricing โ†’
#2

Gemini 2.0 Flash

Cheapest Google model. Fast responses for simple coding tasks.

$0.100/M input Medium project: $0.12 1M tokens
View Full Pricing โ†’
#3

Mistral Small 3

Mistral's cost-effective model. Very affordable for general-purpose tasks.

$0.100/M input Medium project: $0.10 32K tokens
View Full Pricing โ†’

Why These Models?

As a student, you shouldn't spend much on AI coding tools. The models below are all under $1.10 per million input tokens, meaning a typical homework session (50K-100K tokens) costs less than $0.10.

The absolute cheapest options are Gemini 1.5 Flash ($0.075/M), Gemini 2.0 Flash ($0.10/M), and Mistral Small 3 ($0.10/M). For students who need reasoning help with algorithms or math, o3-mini and o4-mini ($1.10/M) are the cheapest reasoning-capable models.

Complete Rankings & Pricing

All 18 models ranked for cheapest ai coding tools for students. Costs calculated at 30% cache hit rate.

RankModelProvider Small ProjectMedium ProjectLarge ProjectCode Review Compare
#1 Gemini 1.5 Flash Google $0.01 $0.09 $0.43 $0.02 vs Gemini 1.5 Flash
#2 Gemini 2.0 Flash Google $0.02 $0.12 $0.58 $0.03 vs Gemini 1.5 Flash
#3 Mistral Small 3 Mistral $0.01 $0.10 $0.47 $0.02 vs Gemini 1.5 Flash
#4 GPT-4o mini OpenAI $0.02 $0.18 $0.92 $0.05 vs Gemini 1.5 Flash
#5 Gemini 2.5 Flash Google $0.02 $0.17 $0.86 $0.04 vs Gemini 1.5 Flash
#6 Claude 3 Haiku Anthropic $0.05 $0.34 $1.69 $0.07 vs Gemini 1.5 Flash
#7 Qwen Turbo Qwen $0.05 $0.34 $1.69 $0.07 vs Gemini 1.5 Flash
#8 Qwen Coder Turbo Qwen $0.05 $0.34 $1.69 $0.07 vs Gemini 1.5 Flash
#9 DeepSeek Chat V3 DeepSeek $0.04 $0.31 $1.57 $0.07 vs Gemini 1.5 Flash
#10 DeepSeek Coder V2 DeepSeek $0.04 $0.31 $1.57 $0.07 vs Gemini 1.5 Flash
#11 GPT-3.5 Turbo OpenAI $0.06 $0.48 $2.38 $0.13 vs Gemini 1.5 Flash
#12 DeepSeek Reasoner (R1) DeepSeek $0.09 $0.63 $3.16 $0.15 vs Gemini 1.5 Flash
#13 Claude 3.5 Haiku Anthropic $0.16 $1.24 $6.21 $0.32 vs Gemini 1.5 Flash
#14 Qwen Plus Qwen $0.15 $1.08 $5.40 $0.24 vs Gemini 1.5 Flash
#15 Qwen Coder Plus Qwen $0.15 $1.08 $5.40 $0.24 vs Gemini 1.5 Flash
#16 OpenAI o1-mini OpenAI $0.17 $1.27 $6.33 $0.30 vs Gemini 1.5 Flash
#17 OpenAI o3-mini OpenAI $0.17 $1.27 $6.33 $0.30 vs Gemini 1.5 Flash
#18 OpenAI o4-mini OpenAI $0.17 $1.27 $6.33 $0.30 vs Gemini 1.5 Flash

Frequently Asked Questions

Is there a free AI coding tool for students?

GitHub Copilot is free for verified students. Claude also offers free access through claude.ai. For API usage, the cheapest models cost fractions of a cent per session.

Which AI model helps with computer science homework?

o3-mini is the best budget reasoning model for CS homework. It handles algorithms, data structures, and programming problems effectively.