Models and pricing

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Prefer high-quality models. Better models produce better work — fewer iterations, fewer mistakes, less time spent reviewing. The cost difference is usually worth it. Recommended models are marked below.

Effective costs are lower than they look. Most tokens are cached input, not fresh input or output. Our Claude usage has a ~90% cache hit rate, and output is less than 1% of total tokens. At those ratios, Claude Opus 4.6 costs roughly $1/M tokens — not the $5.00 input price.

Prices are in US dollars per million tokens.

Model Standard price Long context
Input Input cache Output Input Input cache Output
OpenAI
GPT-4.1
gpt-4.1 (gpt-4.1-2025-04-14) $2.00 $0.50 $8.00
gpt-4.1-mini (gpt-4.1-mini-2025-04-14) $0.40 $0.10 $1.60
gpt-4.1-nano (gpt-4.1-nano-2025-04-14) $0.10 $0.03 $0.40
GPT-5
gpt-5 (gpt-5-2025-08-07) $1.25 $0.12 $10.00
gpt-5-mini (gpt-5-mini-2025-08-07) $0.25 $0.03 $2.00
gpt-5-codex $1.25 $0.12 $10.00
GPT-5.1
gpt-5.1 (gpt-5.1-2025-11-13) $1.25 $0.12 $10.00
gpt-5.1-codex $1.25 $0.12 $10.00
gpt-5.1-codex-mini $0.25 $0.03 $2.00
GPT-5.2
gpt-5.2 (gpt-5.2-2025-12-11) $1.75 $0.17 $14.00
gpt-5.2-codex $1.75 $0.17 $14.00
GPT-5.3
gpt-5.3-codex $1.75 $0.17 $14.00
GPT-5.4
gpt-5.4 (gpt-5.4-2026-03-05)
Over 272K input tokens: input and cache costs double, output ×1.5.
$2.50 $0.25 $15.00 $5.00 $0.50 $22.50
gpt-5.4-mini (gpt-5.4-mini-2026-03-17) $0.75 $0.07 $4.50
GPT-5.5
gpt-5.5 (gpt-5.5-2026-04-23)
Over 272K input tokens: input and cache costs double, output ×1.5.
$5.00 $0.50 $30.00 $10.00 $1.00 $45.00
GPT-5.6
gpt-5.6-sol
Promotional pricing through at least 2026-11-21. Over 272K input tokens: input and cache costs double, output ×1.5.
$4.00 $0.40 read, $5.00 write $20.00 $8.00 $0.80 read, $10.00 write $30.00
gpt-5.6-terra Recommended
Over 272K input tokens: input and cache costs double, output ×1.5.
$2.00 $0.20 read, $2.50 write $12.00 $4.00 $0.40 read, $5.00 write $18.00
gpt-5.6-luna
Over 272K input tokens: input and cache costs double, output ×1.5.
$0.20 $0.02 read, $0.25 write $1.20 $0.40 $0.04 read, $0.50 write $1.80
Mistral
Devstral 2
devstral-latest Recommended $0.40 $2.00
labs-devstral-small-2512 $0.10 $0.30
Mistral (Vertex)
codestral-2 $0.30 $0.90
mistral-medium-3 $0.40 $2.00
mistral-small-2503 $0.10 $0.30
Vertex AI
Claude
claude-haiku-4-5 $1.00 $0.10 read, $1.25 write $5.00
claude-sonnet-4-5 $3.00 $0.30 read, $3.75 write $15.00
claude-sonnet-4-6 $3.00 $0.30 read, $3.75 write $15.00
claude-sonnet-5 Recommended $2.00 $0.20 read, $2.50 write $10.00
claude-opus-4-5 $5.00 $0.50 read, $6.25 write $25.00
claude-opus-4-6 $5.00 $0.50 read, $6.25 write $25.00
claude-opus-4-7 $5.00 $0.50 read, $6.25 write $25.00
claude-opus-4-8 $5.00 $0.50 read, $6.25 write $25.00
claude-opus-5 Recommended $5.00 $0.50 read, $6.25 write $25.00
Gemini 2.5
gemini-2.5-pro
Over 200K input tokens: input and cache costs double, output ×1.5.
$1.25 $0.12 $10.00 $2.50 $0.25 $15.00
gemini-2.5-flash $0.30 $2.50
Gemini 3
gemini-3-flash-preview $0.50 $0.05 $3.00
Gemini 3.1
gemini-3.1-pro-preview Recommended
Over 200K input tokens: input and cache costs double, output ×1.5.
$2.00 $0.20 $12.00 $4.00 $0.40 $18.00
gemini-3.1-flash-lite (gemini-3.1-flash-lite-preview) $0.10 $0.01 $0.40
Gemini 3.5
gemini-3.5-flash $1.50 $0.15 $9.00
Gemini 3.7
gemini-3.7-flash
Introductory pricing until December 31, 2026. From January 1, 2027: $1.50 input, $7.50 output, $0.15 cached input.
$0.75 $0.07 $3.75
DeepSeek
deepseek-ai/deepseek-r1-0528-maas $1.35 $5.40
deepseek-ai/deepseek-v3.1-maas $0.60 $1.70
deepseek-ai/deepseek-v3.2-maas $0.56 $0.06 $1.68
Llama
meta/llama-3.3-70b-instruct-maas $0.72 $0.72
meta/llama-4-maverick-17b-128e-instruct-maas $0.35 $1.15
Qwen
qwen/qwen3-235b-a22b-instruct-2507-maas $0.25 $1.00
qwen/qwen3-coder-480b-a35b-instruct-maas $1.00 $4.00
Kimi
moonshotai/kimi-k2-thinking-maas $0.60 $2.50
MiniMax
minimaxai/minimax-m2-maas $0.30 $1.20
OpenAI OSS
openai/gpt-oss-120b-maas $0.09 $0.36
openai/gpt-oss-20b-maas $0.07 $0.25
GLM
zai-org/glm-4.7-maas $0.60 $2.20
zai-org/glm-5-maas Recommended $1.00 $0.10 $3.20