API cost decision in 10 seconds

Reka Edge vs 🔥GPT-5.4

Pick Reka Edge for lower cost; pick GPT-5.4 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 Reka Edge for lower cost; pick GPT-5.4 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Reka Edge is estimated at $0.15 vs $10 for GPT-5.4, saving $9.85 (98.5% lower).

Cost-first pickReka Edge
Context-first pickGPT-5.4
Sample savings$9.8598.5%
10x traffic gap$98.5

GPT-5.4 has more context, but Reka Edge saves $9.85 on the standard workload. At 10x that traffic, the same price gap is about $98.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Reka Edge stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickReka EdgeGPT-5.4
Input-heavy / RAG 5M input + 500K output Reka Edge $0.55 $20
Balanced workload 1M input + 1M output Reka Edge $0.2 $17.5
Output-heavy chatbot 1M input + 5M output Reka Edge $0.6 $77.5
Cheaper inputReka Edge$0.1 vs $2.5 / 1M
Cheaper outputReka Edge$0.1 vs $15 / 1M
Larger contextGPT-5.416.38K vs 1.05M
Sample workloadReka Edge$0.15 vs $10

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Reka EdgeCalculating…Estimated API cost
GPT-5.4Calculating…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

Reka Edge has the lower input price, Reka Edge has the lower output price, and GPT-5.4 offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.15 for Reka Edge and $10 for GPT-5.4.

Best Fit

Choose Reka Edge when you care most about lower input-token price, and lower output-token price.

Choose GPT-5.4 when you care most about larger context window.

Head-to-Head Specs
FeatureReka Edge
(rekaai)		🔥GPT-5.4
(OpenAI)
Input Price
prompt tokens per 1M		$0.1$2.5
Completion Price
per 1M tokens		$0.1$15
Sample Workload Cost
1M input + 500K output		$0.15$10
Context Window16.38K1.05M
Release Date2026-03-202026-03-05
Popularity#19
Reka Edge

Reka Edge is an extremely efficient 7B multimodal vision-language model that accepts image/video+text inputs and generates text outputs. This model is optimized specifically to deliver industry-leading performance in image understanding,...

GPT-5.4

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionReka EdgeOn the standard 1M input plus 500K output workload, Reka Edge is estimated at $0.15 vs $10 for GPT-5.4, saving $9.85 (98.5% lower).
High-volume input processingReka EdgeLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsReka EdgeLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGPT-5.4A larger context window leaves more room for retrieved passages and source files.