Compare

Gpt 4 5 Preview vs Weaver (alpha)

Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.

OpenAI

Model

Gpt 4 5 Preview

Image inputTool calling

Best $75.00 in · $150.00 out

Context window 128K

Pricing
Openrouter

Model

Weaver (alpha)

Best $5.63 in · $5.63 out

Context window 8K

Pricing

Weaver (alpha) is cheaper across the board — 92% cheaper on input and 96% cheaper on output.

Pricing matrix

Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.

ProviderGpt 4 5 Preview inGpt 4 5 Preview outWeaver (alpha) inWeaver (alpha) out
Azure$75.00$150.00N/AN/A
OpenrouterN/AN/A$5.63$5.63

Best listed rates (this pair)

Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.

Catalog map · OpenAI · Openrouter

Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.

OpenAI · input vs output

Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Openrouter · input vs output

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Specifications

Each column header is the full model name. Tint marks the favorable value where we compute a winner.

Spec
Gpt 4 5 Preview
Weaver (alpha)
Context window
128,000 tokens
8,000 tokens
Max output tokens
16,384 tokens
2,000 tokens
Vision
Yes
No
Function calling
Yes
No
Streaming
No
No
Release date
N/A
Aug 2023

Cost calculator

Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.

Gpt 4 5 Preview
Monthly
$45.0K
Annual
$547.5K
Weaver (alpha)
Monthly
$2.5K
Annual
$30.8K
Save $42.5K/month with Weaver (alpha)

When to pick which

Short takeaways: no cards, just the points. Validate with your own workloads.

  • Long-context tasks

    Use Gpt 4 5 Preview. Its 128K context window handles large codebases and documents better than 8K.

  • High-volume text generation

    Use Weaver (alpha). Output tokens are 96% cheaper, which compounds significantly at scale.

  • Long output (reports, code files)

    Use Gpt 4 5 Preview. Its 16K max output limit reduces the need to split requests.

Frequently asked questions

Weaver (alpha) is cheaper on both input and output tokens.

More comparisons

Other popular head-to-head matchups.