API cost decision in 10 seconds

NewGPT Chat Latest vs NewGranite 4.1 8B

Pick Granite 4.1 8B for lower cost; pick GPT Chat Latest only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Granite 4.1 8B for lower cost; pick GPT Chat Latest only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Granite 4.1 8B is estimated at $0.1 vs $20 for GPT Chat Latest, saving $19.9 (99.5% lower).

Cost-first pickGranite 4.1 8B
Context-first pickGPT Chat Latest
Sample savings$19.999.5%
10x traffic gap$199

GPT Chat Latest has more context, but Granite 4.1 8B saves $19.9 on the standard workload. At 10x that traffic, the same price gap is about $199. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Granite 4.1 8B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGPT Chat LatestGranite 4.1 8B
Input-heavy / RAG5M input + 500K outputGranite 4.1 8B$40$0.3
Balanced workload1M input + 1M outputGranite 4.1 8B$35$0.15
Output-heavy chatbot1M input + 5M outputGranite 4.1 8B$155$0.55
Cheaper input Granite 4.1 8B $5 vs $0.05 / 1M

Granite 4.1 8B is $4.95 cheaper per 1M input tokens (99% lower; 100x difference).

Cheaper output Granite 4.1 8B $30 vs $0.1 / 1M

Granite 4.1 8B is $29.9 cheaper per 1M output tokens (99.7% lower; 300x difference).

Larger context GPT Chat Latest 400K vs 131.07K

GPT Chat Latest has 268.93K more context (3.05x larger).

Sample workload Granite 4.1 8B $20 vs $0.1

Granite 4.1 8B is $19.9 cheaper on the standard workload (99.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT Chat Latest Calculating… Estimated API cost
Granite 4.1 8B Calculating… Estimated API cost
Cheaper for this workload Calculating… 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

Granite 4.1 8B has the lower input price; Granite 4.1 8B has the lower output price; GPT Chat Latest offers the larger context window. For the 1M input plus 500K output sample, Granite 4.1 8B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT Chat Latest and $0.1 for Granite 4.1 8B.

Best Fit

Choose GPT Chat Latest when you care most about larger context window.

Choose Granite 4.1 8B when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Granite 4.1 8B is estimated at $0.1 vs $20 for GPT Chat Latest, saving $19.9 (99.5% lower).
  • Granite 4.1 8B is $19.9 cheaper on the standard workload (99.5% lower).
  • Granite 4.1 8B is $4.95 cheaper per 1M input tokens (99% lower; 100x difference).
  • Granite 4.1 8B is $29.9 cheaper per 1M output tokens (99.7% lower; 300x difference).
  • GPT Chat Latest has 268.93K more context (3.05x larger).
Head-to-Head Specs
FeatureNewGPT Chat Latest
(OpenAI)		NewGranite 4.1 8B
(IBM)
Input Price
prompt tokens per 1M		$5$0.05
Completion Price
per 1M tokens		$30$0.1
Sample Workload Cost
1M input + 500K output		$20$0.1
Context Window400K131.07K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGranite 4.1 8BOn the standard 1M input plus 500K output workload, Granite 4.1 8B is estimated at $0.1 vs $20 for GPT Chat Latest, saving $19.9 (99.5% lower).
High-volume input processingGranite 4.1 8BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGranite 4.1 8BLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGPT Chat LatestA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • gpt-oss-120b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
  • gpt-oss-20b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
  • gpt-oss-20b can replace GPT Chat Latest when lower sample workload cost matters most: $0.1.
  • gpt-oss-120b can replace GPT Chat Latest when lower sample workload cost matters most: $0.13.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • GPT-5.5 offers 1.05M context with $20 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

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OpenAI catalog

Review all tracked OpenAI models before deciding whether this matchup is the right shortlist.

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IBM catalog

Check other IBM models with comparable pricing, context, or release timing.

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GPT Chat Latest

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

Granite 4.1 8B

Granite 4.1 8B is a dense, decoder-only 8-billion-parameter language model from IBM, part of the Granite 4.1 family. It supports a 131K-token context window and is designed for enterprise tasks...