38 models across 3 tiers
OpenAI has models across three tiers: flagship (GPT 5.5, GPT 5.6 Sol), mid-tier (GPT 5.4, GPT 5.6 Terra), and fast (GPT 5.6 Luna). The GPT 5.6 family launched with 1M context windows across all tiers. Every model has a 90% cache read discount. The GPT 5.6 family charges a 1.25x cache write surcharge; GPT 5.5 and GPT 5.4 are free to write.
Models
38
Cheapest input
$0.05/MTok
Cache discount
90% off
Max context
1.1M
| Model | Tier | Input $/MTok | Output $/MTok | Context | Best task | Released |
|---|---|---|---|---|---|---|
| GPT 5 Nano | Fast / Budget | $0.05 | $0.40 | 272K | Not benchmarked | — |
| GPT 4.1 Nano | Fast / Budget | $0.10 | $0.40 | 1.0M | Not benchmarked | — |
| GPT 6 Luna | Fast / Budget | $0.10 | $0.50 | 922K | Reasoning (82/100) | — |
| GPT 4o Mini | Fast / Budget | $0.15 | $0.60 | 128K | Not benchmarked | — |
| GPT 5.6 Luna | Fast / Budget | $0.20 | $1.20 | 922K | Classification (91/100) | Jul 2026 |
| GPT 5.4 Nano | Fast / Budget | $0.20 | $1.25 | 272K | Reasoning (81/100) | — |
| GPT 5 Mini | Fast / Budget | $0.25 | $2.00 | 272K | Not benchmarked | — |
| GPT 4.1 Mini | Fast / Budget | $0.40 | $1.60 | 1.0M | Not benchmarked | — |
| GPT 3.5 Turbo | Fast / Budget | $0.50 | $1.50 | 16K | Not benchmarked | — |
| GPT 3.5 Turbo (0125) | Fast / Budget | $0.50 | $1.50 | 16K | Not benchmarked | — |
| GPT 5.4 Mini | Fast / Budget | $0.75 | $4.50 | 272K | Extraction (75/100) | — |
| o3 Mini | Fast / Budget | $1.10 | $4.40 | 200K | Not benchmarked | — |
| o4 Mini | Fast / Budget | $1.10 | $4.40 | 200K | Not benchmarked | — |
| GPT 5 | Mid-tier | $1.25 | $10.00 | 272K | Not benchmarked | — |
| GPT 5.1 | Mid-tier | $1.25 | $10.00 | 272K | Not benchmarked | — |
| GPT 5.2 | Mid-tier | $1.75 | $14.00 | 272K | Not benchmarked | — |
| GPT 5.6 Terra | Mid-tier | $2.00 | $12.00 | 922K | Q&A (92/100) | Jul 2026 |
| GPT 4.1 | Mid-tier | $2.00 | $8.00 | 1.0M | Not benchmarked | — |
| GPT 6 Sol | Flagship | $2.00 | $10.00 | 922K | Reasoning (89/100) | — |
| o3 | Mid-tier | $2.00 | $8.00 | 200K | Not benchmarked | — |
| GPT 6.1 Sol | Flagship | $2.00 | $10.00 | 922K | Not benchmarked | Sep 2026 |
| GPT 5.4 | Mid-tier | $2.50 | $15.00 | 1.1M | Q&A (91/100) | Mar 2026 |
| GPT 4o | Mid-tier | $2.50 | $10.00 | 128K | Not benchmarked | — |
| GPT 5.6 Sol | Flagship | $4.00 | $20.00 | 922K | Code Review (92/100) | Jul 2026 |
| GPT 5.5 | Flagship | $5.00 | $30.00 | 1.1M | Code Review (90/100) | Mar 2026 |
| GPT 4o (2024-05-13) | Flagship | $5.00 | $15.00 | 128K | Not benchmarked | — |
| GPT 4 Turbo (2024-04-09) | Flagship | $10.00 | $30.00 | 128K | Not benchmarked | — |
| GPT 4 Turbo | Flagship | $10.00 | $30.00 | 128K | Not benchmarked | — |
| GPT 6 Astra | Flagship | $10.00 | $50.00 | 922K | Reasoning (93/100) | — |
| GPT 5 Pro | Flagship | $15.00 | $120.00 | 400K | Not benchmarked | — |
| o1 | Flagship | $15.00 | $60.00 | 200K | Not benchmarked | — |
| o3 Pro | Flagship | $20.00 | $80.00 | 200K | Not benchmarked | — |
| GPT 5.2 Pro | Flagship | $21.00 | $168.00 | 272K | Not benchmarked | — |
| GPT 4 (0613) | Flagship | $30.00 | $60.00 | 8K | Not benchmarked | — |
| GPT 4 | Flagship | $30.00 | $60.00 | 8K | Not benchmarked | — |
| GPT 5.4 Pro | Flagship | $30.00 | $180.00 | 1.1M | Not benchmarked | — |
| GPT 5.5 Pro | Flagship | $30.00 | $180.00 | 1.1M | Not benchmarked | — |
| o1 Pro | Flagship | $150.00 | $600.00 | 200K | Not benchmarked | — |
GPT 5 Nano: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4.1 Nano: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 6 Luna: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Benchmarked from the LiveBench 2026-06-25 release (2026-W26) in the first rankings sync.
GPT 4o Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.4 Nano: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Benchmarked from the LiveBench 2026-06-25 release (2026-W26) in the first rankings sync.
GPT 5 Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4.1 Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 3.5 Turbo: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 3.5 Turbo (0125): Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.4 Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Benchmarked from the LiveBench 2026-06-25 release (2026-W26) in the first rankings sync.
o3 Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
o4 Mini: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.1: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.2: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4.1: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 6 Sol: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Benchmarked from the LiveBench 2026-06-25 release (2026-W26) in the first rankings sync.
o3: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 6.1 Sol: Added by the model-onboarding job on 2026-09-30. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date is the day Tokeven first saw it (2026-09-30) because the provider publishes none in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4o: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4o (2024-05-13): Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4 Turbo (2024-04-09): Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4 Turbo: Alias of gpt-4-turbo-2024-04-09 (same prices). Added 2026-10-13 for integrations that report the requested model id. Not benchmarked, so never recommended.
GPT 6 Astra: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Benchmarked from the LiveBench 2026-06-25 release (2026-W26) in the first rankings sync.
GPT 5 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
o1: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
o3 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.2 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4 (0613): Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 4: Alias of gpt-4-0613 (same prices). Added 2026-10-13 for integrations that report the requested model id. Not benchmarked, so never recommended.
GPT 5.4 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
GPT 5.5 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
o1 Pro: Backfilled on 2026-09-23. Prices confirmed by the provider pricing page and the LiteLLM cross-check. Release date not published in a machine-readable source. Not yet benchmarked, so never recommended.
Estimated cost per API call across common workloads, using default token counts for each use case.
Confidence scores (0-100) across all task types. Higher is better.
Confidence scores are a third-party benchmark snapshot from week 26 of 2026. This snapshot is 17 weeks old, so treat the scores as directional and validate against your own evals.
| Task | Nano | Nano | Luna | Mini | Luna | Nano | Mini | Mini | Turbo | (0125) | Mini | Mini | Mini | 5 | 5.1 | 5.2 | Terra | 4.1 | Sol | o3 | Sol | 5.4 | 4o | Sol | 5.5 | (2024-05-13) | (2024-04-09) | Turbo | Astra | Pro | o1 | Pro | Pro | (0613) | 4 | Pro | Pro | Pro |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code Generation | - | - | 62/100 | - | 62/100 | 56/100 | - | - | - | - | 54/100 | - | - | - | - | - | 64/100 | - | 64/100 | - | - | 63/100 | - | 67/100 | 65/100 | - | - | - | 67/100 | - | - | - | - | - | - | - | - | - |
| Code Review | - | - | - | - | 68/100 | - | - | - | - | - | - | - | - | - | - | - | 84/100 | - | - | - | - | 82/100 | - | 92/100 | 90/100 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Summarization | - | - | 53/100 | - | 57/100 | 67/100 | - | - | - | - | 58/100 | - | - | - | - | - | 64/100 | - | 69/100 | - | - | 67/100 | - | 70/100 | 70/100 | - | - | - | 76/100 | - | - | - | - | - | - | - | - | - |
| Q&A | - | - | - | - | 85/100 | - | - | - | - | - | - | - | - | - | - | - | 92/100 | - | - | - | - | 91/100 | - | 91/100 | 90/100 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Extraction | - | - | 75/100 | - | 74/100 | 74/100 | - | - | - | - | 75/100 | - | - | - | - | - | 75/100 | - | 77/100 | - | - | 76/100 | - | 75/100 | 78/100 | - | - | - | 79/100 | - | - | - | - | - | - | - | - | - |
| Reasoning | - | - | 82/100 | - | 86/100 | 81/100 | - | - | - | - | 71/100 | - | - | - | - | - | 91/100 | - | 89/100 | - | - | 88/100 | - | 92/100 | 90/100 | - | - | - | 93/100 | - | - | - | - | - | - | - | - | - |
| Classification | - | - | - | - | 91/100 | - | - | - | - | - | - | - | - | - | - | - | 89/100 | - | - | - | - | 88/100 | - | 86/100 | 85/100 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Creative Writing | - | - | 63/100 | - | 69/100 | 68/100 | - | - | - | - | 67/100 | - | - | - | - | - | 67/100 | - | 67/100 | - | - | 79/100 | - | 76/100 | 73/100 | - | - | - | 74/100 | - | - | - | - | - | - | - | - | - |
GPT 6.1 Sol input launched
$2.00/MTok at launch
GPT 5.6 Sol input decreased
$5.00 to $4.00/MTok
GPT 5.6 Sol output decreased
$30.00 to $20.00/MTok
GPT 5.6 Terra input decreased
$2.50 to $2.00/MTok
GPT 5.6 Terra output decreased
$15.00 to $12.00/MTok
GPT 5.6 Luna input decreased
$1.00 to $0.20/MTok
See exactly how much you spend on GPT models and where you can save. Two-line wrapper install, no API keys shared.