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Price comparison

First-party API list prices in USD per million tokens. Blended price weights input to output 3:1, close to the real mix in most chat and RAG workloads.

Cheapest input
$0.05/1M
gpt-oss-120b
Most expensive output
$50.00/1M
Claude Fable 5.1 · GPT-6 Astra
Median blended price
$1.98
1 model in this band
Largest spread
1000×
Most expensive output vs cheapest input
Model Input $/1MOutput $/1MBlended Cache $Intelligence v5pts/$Notes
gpt-oss-120b Open weightsOpenAI $0.05 $0.20 $0.09 — — —
Qwen3.8 27B Open weightsAlibaba Qwen $0.10 $0.40 $0.17 — 33.7 —
Gemma 4 31B Open weightsGoogle $0.10 $0.40 $0.17 — 19.0 —
Claude Haiku 5.5Anthropic $0.10 $0.50 $0.20 $0.01 36.2 181
GPT-6 LunaOpenAI $0.10 $0.50 $0.20 $0.01 — —
MiniMax M3.1 FlashMiniMax $0.15 $0.60 $0.26 — 29.0 111
GLM-5.3 Flash Open weightsZ.ai $0.20 $0.80 $0.35 — 41.8 —
MiniMax M3 Open weightsMiniMax $0.25 $1.00 $0.44 — 29.2 —
DeepSeek V4.1 Flash Open weightsDeepSeek $0.30 $1.20 $0.53 $0.006 32.5 62 Half price off-peak
MiMo-V2.6 Pro Open weightsXiaomi $0.35 $1.40 $0.61 — 30.0 49
Nemotron 3 Ultra Open weightsNVIDIA $0.40 $1.60 $0.70 — — —
Step 5 PreviewStepFun $0.50 $2.00 $0.88 — — —
GLM-5.3 Open weightsZ.ai $0.60 $2.20 $1.00 — 32.0 32
Gemini 3.8 FlashGoogle $0.75 $3.75 $1.50 — — — Doubles 01-01
DeepSeek V4 Pro Open weightsDeepSeek $1.32 $3.96 $1.98 $0.04 23.0 12
GPT-6.1 TerraOpenAI $1.00 $5.00 $2.00 $0.05 51.0 26
Grok 4.7xAI $2.00 $6.00 $3.00 — 35.0 12
Qwen3.8 MaxAlibaba Qwen $2.00 $8.00 $3.50 — — —
Claude Sonnet 5.5Anthropic $2.00 $10.00 $4.00 $0.10 54.2 14
GPT-6.1 SolOpenAI $2.00 $10.00 $4.00 $0.10 54.5 14
Gemini 4 CarbonGoogle $2.00 $10.00 $4.00 — 59.4 15
Gemini 4 ArgonGoogle $2.00 $10.00 $4.00 — 50.4 13 Doubles 12-01
Muse WonderMeta $2.00 $10.00 $4.00 — 43.3 11
Kimi K3.1 Pro Open weightsMoonshot AI $2.00 $10.00 $4.00 $0.20 46.0 12
Kimi K3 Open weightsMoonshot AI $2.00 $15.00 $5.25 — 43.6 —
Claude Opus 5.5Anthropic $4.00 $20.00 $8.00 $0.20 58.4 7
Claude Fable 5.1Anthropic $10.00 $50.00 $20.00 $0.25 49.7 2
GPT-6 AstraOpenAI $10.00 $50.00 $20.00 $1.00 56.9 3
Points per dollar is the intelligence index divided by the blended price — higher is better value. The metric favours cheap models and ignores output-token efficiency: a chatty cheap model can cost more than a restrained expensive one.
In the Intelligence v5 column a grey number is the v4.3.2 score used while the model has no v5 result (a looser scale — do not compare it with black figures), and an italic dash means neither scale covers it.

Price × intelligence

Top-left is the ideal zone — cheap and smart. Bottom-right is the zone to avoid — expensive and mediocre. Bigger dots score higher.

Filled dot = closed API · hollow dot = open weights · dot size = intelligence score

By value

How many intelligence points one dollar buys. Only models with both a v5 score and a public price are counted.

#Modelpts/$v5Blended
1Claude Haiku 5.5Anthropic 181.036.2$0.20
2MiniMax M3.1 FlashMiniMax 110.729.0$0.26
3DeepSeek V4.1 Flash Open weightsDeepSeek 61.932.5$0.53
4MiMo-V2.6 Pro Open weightsXiaomi 49.030.0$0.61
5GLM-5.3 Open weightsZ.ai 32.032.0$1.00
6GPT-6.1 TerraOpenAI 25.551.0$2.00
7Gemini 4 CarbonGoogle 14.859.4$4.00
8Claude Sonnet 5.5Anthropic 13.654.2$4.00
9GPT-6.1 SolOpenAI 13.654.5$4.00
10Gemini 4 ArgonGoogle 12.650.4$4.00
11Grok 4.7xAI 11.735.0$3.00
12DeepSeek V4 Pro Open weightsDeepSeek 11.623.0$1.98

Cheap is not the same as economical.DeepSeek V4.1 Flash buys more than 8× the intelligence points per dollar that Claude Opus 5.5 does. But if it needs 3× the output tokens for the same task, the real bill gap narrows to 2-3×.

Promo prices distort the picture.Gemini 4 Argon is $2/$10 today, level with Sonnet 5.5. When it doubles on 1 December its value ranking drops to the middle of the table. Any budget reaching beyond a month should use the restored price.

Cache pricing is the line everyone ignores.DeepSeek V4.1 Flash charges $0.003 on cache hits — 1% of its standard input price. Once your system prompt passes 2,000 tokens, caching strategy decides the bill more than model choice does.