TokenPrice

Head-to-Head Pricing Benchmark

OpenAI: GPT-5 Codex vs Google: Gemma 3 27B (free)

Side-by-side pricing and context window comparison for production model selection.

Input delta: $1.25Output delta: $10Monthly delta: $750

Default Recommendation (120M input + 60M output)

Google: Gemma 3 27B (free) is lower-cost for the default monthly workload scenario.

Adjust the workload in the calculator below to see a live recommendation for your usage.

MetricOpenAI: GPT-5 CodexGoogle: Gemma 3 27B (free)
Developeropenaigoogle
Context Window400,000131,072
Input Cost / 1M Tokens$1.25$0.0000
Output Cost / 1M Tokens$10.00$0.0000
Projected Monthly Cost$750$0.00
Vision✅ Yes✅ Yes
Tool Calling✅ Yes✅ Yes
Structured Output✅ Yes✅ Yes
Reasoning✅ Yes❌ No
MMLU Score86.5N/A
GPQA83.7N/A

Price History

OpenAI: GPT-5 Codex Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
$1.25$5.63$10.00Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$1.25

Current Output / 1M

$10.00

Price History

Google: Gemma 3 27B (free) Pricing Trend

Input / 1M tokensOutput / 1M tokens
Mar 7 — Mar 11
$0.000000$0.000000$0.000000Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$0.000000

Current Output / 1M

$0.000000

Cost Calculator

Adjust your workload to see projected monthly costs.

01.0B
0500M

OpenAI: GPT-5 Codex

$750

per month

Google: Gemma 3 27B (free)

$0.00

per month

Lower cost

Live Recommendation

Google: Gemma 3 27B (free) is lower-cost at 120M input + 60M output tokens/month.

Google: Gemma 3 27B (free) saves $750/mo at this workload
Open OpenAI: GPT-5 Codex model pageOpen Google: Gemma 3 27B (free) model page

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Quick Compare

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FAQ

Common questions for OpenAI: GPT-5 Codex vs Google: Gemma 3 27B (free) pricing decisions.

Which is cheaper for input tokens: OpenAI: GPT-5 Codex or Google: Gemma 3 27B (free)?

Google: Gemma 3 27B (free) is cheaper on input token cost by $1.25 per 1M tokens.

Which is cheaper for output tokens: OpenAI: GPT-5 Codex or Google: Gemma 3 27B (free)?

Google: Gemma 3 27B (free) is cheaper on output token cost by $10 per 1M tokens.

What is the projected monthly cost difference between OpenAI: GPT-5 Codex and Google: Gemma 3 27B (free)?

$750 difference for the default scenario (120M input + 60M output tokens/month).

How should I choose between OpenAI: GPT-5 Codex and Google: Gemma 3 27B (free)?

Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.