API cost decision in 10 seconds

GPT-5.4 Image 2 vs 🔥Claude Opus 4.6

Pick GPT-5.4 Image 2 for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-5.4 Image 2 for lower cost; pick Claude Opus 4.6 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GPT-5.4 Image 2 is estimated at $15.5 vs $17.5 for Claude Opus 4.6, saving $2 (11.4% lower).

Cost-first pickGPT-5.4 Image 2
Context-first pickClaude Opus 4.6
Sample savings$211.4%
10x traffic gap$20

Claude Opus 4.6 has more context, but GPT-5.4 Image 2 saves $2 on the standard workload. At 10x that traffic, the same price gap is about $20. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Claude Opus 4.6, balanced workload favors GPT-5.4 Image 2, and output-heavy chatbot favors GPT-5.4 Image 2.

Workload shapeToken mixBetter pickGPT-5.4 Image 2Claude Opus 4.6
Input-heavy / RAG 5M input + 500K output Claude Opus 4.6 $47.5 $37.5
Balanced workload 1M input + 1M output GPT-5.4 Image 2 $23 $30
Output-heavy chatbot 1M input + 5M output GPT-5.4 Image 2 $83 $130
Cheaper inputClaude Opus 4.6$8 vs $5 / 1M
Cheaper outputGPT-5.4 Image 2$15 vs $25 / 1M
Larger contextClaude Opus 4.6272K vs 1M
Sample workloadGPT-5.4 Image 2$15.5 vs $17.5

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-5.4 Image 2Calculating…Estimated API cost
Claude Opus 4.6Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Claude Opus 4.6 has the lower input price, GPT-5.4 Image 2 has the lower output price, and Claude Opus 4.6 offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $15.5 for GPT-5.4 Image 2 and $17.5 for Claude Opus 4.6.

Best Fit

Choose GPT-5.4 Image 2 when you care most about lower output-token price.

Choose Claude Opus 4.6 when you care most about lower input-token price, and larger context window.

Head-to-Head Specs
FeatureGPT-5.4 Image 2
(OpenAI)
🔥Claude Opus 4.6
(Anthropic)
Input Price
prompt tokens per 1M
$8$5
Completion Price
per 1M tokens
$15$25
Sample Workload Cost
1M input + 500K output
$15.5$17.5
Context Window272K1M
Release Date2026-04-212026-02-04
Popularity#18
GPT-5.4 Image 2

[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...

Claude Opus 4.6

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGPT-5.4 Image 2On the standard 1M input plus 500K output workload, GPT-5.4 Image 2 is estimated at $15.5 vs $17.5 for Claude Opus 4.6, saving $2 (11.4% lower).
High-volume input processingClaude Opus 4.6Lower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsGPT-5.4 Image 2Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workClaude Opus 4.6A larger context window leaves more room for retrieved passages and source files.