OpenAI API pricing

Models: 17; 4 scored
Cheapest call: $0.0038; GPT-6 Luna
Dearest call: $1.2213; GPT-5.5 Pro
Best bugs caught: 89%; GPT-6.1 Sol
Newest: 2026-09-29; GPT-6.1 Sol

Pricing

OpenAI models' list prices per 1M tokens, one review call and reading a pull request.

GPT-6 LunaAbove 272K in: $0.20 / $0.75	$0.10	$0.50	$0.01	$0.0038	$0.0026
GPT-5.6 LunaAbove 272K in: $0.40 / $1.80	$0.20	$1.20	$0.02	$0.0081	$0.0052
GPT-5.4 Nano	$0.20	$1.25	$0.02	$0.0083	$0.0052
GPT-OSS 120B (Workers AI)on Cloudflare Workers AI	$0.35	$0.75	–	$0.011	$0.0092
GPT-5.4 Mini	$0.75	$4.50	$0.075	$0.0305	$0.0197
GPT-5on OpenRouter	$1.25	$10.00	–	$0.0569	$0.0328
GPT-6.1 SolAbove 272K in: $4.00 / $15.00	$2.00	$10.00	$0.10	$0.0766	$0.0524
GPT-6 SolAbove 272K in: $4.00 / $15.00	$2.00	$10.00	$0.20	$0.0766	$0.0524
GPT-5.3 Codex	$1.75	$14.00	$0.175	$0.0797	$0.0459
GPT-5.2on OpenRouter	$1.75	$14.00	–	$0.0797	$0.0459
GPT-5.6 TerraAbove 272K in: $4.00 / $18.00	$2.00	$12.00	$0.20	$0.0814	$0.0524
GPT-5.4Above 272K in: $5.00 / $22.50	$2.50	$15.00	$0.25	$0.1018	$0.0655
GPT-5.6 SolAbove 272K in: $8.00 / $30.00	$4.00	$20.00	$0.40	$0.1532	$0.1048
GPT-5.5Above 272K in: $10.00 / $45.00	$5.00	$30.00	$0.50	$0.2035	$0.131
GPT-6 AstraAbove 272K in: $20.00 / $75.00	$10.00	$50.00	$1.00	$0.3829	$0.2621
GPT-5.5 ProResponses API onlyAbove 272K in: $60.00 / $270.00	$30.00	$180.00	–	$1.2213	$0.7862
GPT-5.4 ProResponses API onlyAbove 272K in: $60.00 / $270.00	$30.00	$180.00	–	$1.2213	$0.7862

Benchmark

Benchmark results
Compare
	1=	GPT-6.1 SolOpenAI · Mid-range	89%	89%	100%	0.9	$0.0401	$0.0514	28s
	1=	GPT-5.6 SolOpenAI · Frontier	72%	72%	98%	1.2	$0.1127	$0.1732	50s
	1=	GPT-6 LunaOpenAI · Economy	67%	67%	100%	0.7	$0.0028	$0.0046	29s
	8	GPT-OSS 120B (Workers AI)OpenAI · Economy · open weights	40%	40%	100%	2.5	$0.0075	$0.0189	55s

By language and bug kind

Share of known bugs each model caught, by language
Model	All	TypeScript6 bugs	Go4 bugs	Java4 bugs	Rust4 bugs	C#3 bugs	JavaScript3 bugs	Kotlin3 bugs	PHP3 bugs	Python3 bugs	Ruby3 bugs	Swift3 bugs	C++2 bugs	C1 bug
GPT-6.1 Sol	89%	83%	75%	70%	100%	89%	100%	100%	100%	100%	100%	100%	50%	100%
GPT-5.6 Sol	72%	67%	50%	69%	75%	56%	100%	67%	100%	100%	67%	100%	50%	0%
GPT-6 Luna	67%	83%	25%	65%	75%	56%	67%	67%	67%	100%	67%	100%	50%	0%
GPT-OSS 120B (Workers AI)	40%	42%	13%	46%	71%	41%	11%	44%	33%	78%	33%	44%	33%	0%

Quality against cost

Higher catches more · further left is cheaper

OpenAIFaded: models outside this list95% range: the line through each point

Every point as a table

Bugs caught and measured cost per review, by model
Model	Bugs caught	95% range	Cost / review
GPT-6.1 Sol	89%	80%–97%	$0.0401
GPT-5.6 Sol	72%	59%–85%	$0.1127
GPT-6 Luna	67%	53%–80%	$0.0028
GPT-OSS 120B (Workers AI)	40%	29%–52%	$0.0075

Other benchmarks

Outside benchmarks by model
Model	Arena WebDev	Arena Agent	Epoch Capabilities Index
GPT-6 Astra	1777Max · range 1767 to 1788	0.141Max · range 0.118 to 0.164	166range 163 to 171
GPT-6.1 Sol	1756Max · range 1742 to 1769	0.136Max · range 0.117 to 0.155	166range 163 to 171
GPT-6 Sol	1683Max · range 1672 to 1693	0.103Max · range 0.082 to 0.124	163range 160 to 166
GPT-5.6 Sol	–	0.071xHigh · range 0.057 to 0.085	162range 160 to 165
GPT-5.6 Terra	–	0.004xHigh · range -0.009 to 0.017	159range 157 to 162
GPT-6 Luna	1578Max · range 1572 to 1584	0.030Max · range 0.025 to 0.035	156range 154 to 159
GPT-5.6 Luna	–	-0.021xHigh · range -0.028 to -0.013	156range 154 to 159
GPT-5.5 Pro	–	–	162range 159 to 165
GPT-5.4 Pro	–	–	159range 157 to 162
GPT-5.5	–	0.031xHigh · range 0.019 to 0.044	159range 156 to 162
GPT-5.4	1402range 1392 to 1412	0.014High · range 0.004 to 0.025	157range 155 to 159
GPT-5.4 Mini	1398High · range 1391 to 1404	–	149range 147 to 151
GPT-5.4 Nano	–	–	146range 144 to 149
GPT-5.3 Codex	–	–	157range 153 to 161
GPT-5.2	1417range 1394 to 1439	–	154range 152 to 155
GPT-5	1418Medium · range 1402 to 1433	–	150

Source: LMArena CC BY 4.0, Oct 16, 2026 · Epoch AI CC BY 4.0, Oct 7, 2026

Families

Other makers

Related lists

Updated Oct 23, 2026All prices pricing.json