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Model comparison · Updated 10 Oct 2026

Claude Sonnet 4 vs GPT-5.4 Image 2

Claude Sonnet 4 is about 2.7× cheaper on input ($3.00 against $8.00 per 1M tokens). GPT-5.4 Image 2 has the larger context window (272K against 200K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $2,700 a month for Claude Sonnet 4 and $4,950 for GPT-5.4 Image 2.

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ModelsAtlas. “Claude Sonnet 4 vs GPT-5.4 Image 2”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/anthropic/claude-sonnet-4/vs/openai/gpt-5-4-image-2

Model A

Claude Sonnet 4

by Anthropic · weights not marked open · GRIDF3

Input / 1M
$3.00
asserted Vendor states
Source
docs.anthropic.com/en/docs/about-claude/pricing
Retrieved
17 Aug 2026
Output / 1M$15.00
Context200K
vs

Model B

GPT-5.4 Image 2

by OpenAI · weights not marked open · GRIDF4

Input / 1M
$8.00
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$15.00
Context272K

Key numbers

Standard tier · highlighted = better

Claude Sonnet 4
GPT-5.4 Image 2
Input / 1M tokens
$3.00
$8.00
Output / 1M tokens
$15.00
$15.00
Batch input / output
Not listed
Not listed
Context window
200,000
272,000
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
standard
Prices checked
2026-10-10
2026-08-17

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$2,700/mo
$4,950/mo
RAG over documents2k queries/day · 12k in, 500 out
$2,610/mo
$6,210/mo
Coding agent300 tasks/day · 60k in, 8k out
$2,700/mo
$5,400/mo

Claude Sonnet 4   GPT-5.4 Image 2 · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

1 square apart. GPT-5.4 Image 2 (F4) sits 1 context band larger than Claude Sonnet 4 (F3).

Same square as Claude Sonnet 4: Claude Opus 4.5 ($5.00). Same square as GPT-5.4 Image 2: GPT Chat Latest ($5.00). Open F3 · Open F4

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueClaude Opus 4.5 · F3Command A · E3Nano Banana Pro (Gemini 3 Pro Image) · E3o3 · E3GPT Chat Latest · F4GPT-5 Image · G4Claude Opus 4.6 · F5Claude Opus 4.7 · F5Claude Opus 4.8 · F5Claude Sonnet 4Claude Sonnet 4GPT-5.4 Image 2GPT-5.4 Image 2
Claude Sonnet 4GPT-5.4 Image 2Nearest neighboursOpen weights
View the map as a table (5 squares)
SquarePrice bandContext bandModels
GRIDE3$1–3128–256KCommand A, Nano Banana Pro (Gemini 3 Pro Image), o3
GRIDF3$3–10128–256KClaude Sonnet 4, Claude Opus 4.5
GRIDF4$3–10256K–1MGPT-5.4 Image 2, GPT Chat Latest
GRIDF5$3–101MClaude Opus 4.6, Claude Opus 4.7, Claude Opus 4.8
GRIDG4$10–30256K–1MGPT-5 Image

Capabilities side by side

Only what our records list

Claude Sonnet 4
GPT-5.4 Image 2
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose Claude Sonnet 4 if…

  • you pay by the token: it costs $3.00 per 1M input against $8.00

Choose GPT-5.4 Image 2 if…

  • your prompts are long: it takes 272,000 tokens against 200,000

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is Claude Sonnet 4 better than GPT-5.4 Image 2?
We do not benchmark quality, so we cannot say. On the recorded numbers: Claude Sonnet 4 is about 2.7× cheaper on input ($3.00 against $8.00 per 1M tokens). GPT-5.4 Image 2 has the larger context window (272K against 200K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $2,700 a month for Claude Sonnet 4 and $4,950 for GPT-5.4 Image 2. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Claude Sonnet 4 or GPT-5.4 Image 2?
Claude Sonnet 4: $3.00 against $8.00 per 1M input tokens, and $15.00 against $15.00 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Claude Sonnet 4: $3.00 input and $15.00 output. GPT-5.4 Image 2: $8.00 input and $15.00 output. Standard tier, USD.
Which has the larger context window?
GPT-5.4 Image 2, with 272,000 tokens. Claude Sonnet 4 has 200,000 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for Claude Sonnet 4: none recorded. For GPT-5.4 Image 2: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
Claude Sonnet 4: not marked open-weight in our records. GPT-5.4 Image 2: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $2,700 a month for Claude Sonnet 4 and $4,950 for GPT-5.4 Image 2. This is our calculation from the listed prices, not a quote.

About the two models

Claude Sonnet 4

By Anthropic. $3.00 input and $15.00 output per 1M tokens, 200K context, atlas square F3. Tiers listed: standard.

Full specs & pricing →

GPT-5.4 Image 2

By OpenAI. $8.00 input and $15.00 output per 1M tokens, 272K context, atlas square F4. Tiers listed: standard.

Full specs & pricing →

Compare Claude Sonnet 4 with…

Compare GPT-5.4 Image 2 with…

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