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DX-2986: add Claude Fable 5.1 and GPT-6 Astra, correct spark and nano picker entries #233

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Merged
buggyhunter merged 6 commits into from
Sep 7, 2026
Merged

DX-2986: add Claude Fable 5.1 and GPT-6 Astra, correct spark and nano picker entries #233

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cdc77ad
fix: drop unsellable spark option and stop advertising nano as free
alitariksahin Sep 1, 2026
e13e9d7
feat: add Claude Fable 5.1
alitariksahin Sep 2, 2026
dc9c46c
chore: add changeset for Fable 5.1 and picker corrections
alitariksahin Sep 2, 2026
f03369c
Merge branch 'main' into DX-2986
alitariksahin Sep 7, 2026
2866815
feat: add GPT-6 Astra
alitariksahin Sep 7, 2026
f84cf68
style: apply prettier to the model table and picker
alitariksahin Sep 7, 2026
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22 changes: 22 additions & 0 deletions .changeset/olive-pandas-smile.md
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@@ -0,0 +1,22 @@
---
"@upstash/box": patch
"@upstash/box-cli": patch
---

Add GPT-6 Astra and Claude Fable 5.1, and correct two model picker entries.

`GPT_6_Astra` is available on the OpenAI API, OpenRouter, the Vercel AI Gateway
and OpenCode Zen, all at $10 / $50 per MTok.

`Fable_5_1` is available on the Claude API, OpenRouter, Vercel AI Gateway and
OpenCode Zen. Note the spelling differs by provider: the Claude API and Zen use
`claude-fable-5-1`, while the OpenRouter and Vercel gateways list it as
`claude-fable-5.1`.

Removed `OpenAICodex.GPT_5_3_Codex_Spark` from the model picker. It is a ChatGPT
research preview rather than an API model. The enum member is still exported, so
this is not a breaking change; `OpenCodeModel.GPT_5_3_Codex_Spark` is unaffected
because Zen does sell it.

GPT-5 Nano moved from the free group to the paid group, since Zen now charges
$0.05 / $0.40 per MTok for it.
21 changes: 16 additions & 5 deletions packages/cli/src/models.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "Anthropic",
options: [
{ value: ClaudeCode.Fable_5_1, label: "Claude Fable 5.1" },
{ value: ClaudeCode.Fable_5, label: "Claude Fable 5" },
{ value: ClaudeCode.Opus_5, label: "Claude Opus 5" },
{ value: ClaudeCode.Opus_4_8, label: "Claude Opus 4.8" },
Expand All @@ -33,6 +34,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "OpenRouter",
options: [
{ value: OpenRouterModel.Claude_Fable_5_1, label: "Claude Fable 5.1 (OR)" },
{ value: OpenRouterModel.Claude_Fable_5, label: "Claude Fable 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_5, label: "Claude Opus 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_4_5, label: "Claude Opus 4.5 (OR)" },
Expand All @@ -42,6 +44,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{ value: OpenRouterModel.DeepSeek_R1, label: "DeepSeek R1 (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Pro, label: "Gemini 2.5 Pro (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Flash, label: "Gemini 2.5 Flash (OR)" },
{ value: OpenRouterModel.GPT_6_Astra, label: "GPT-6 Astra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Sol, label: "GPT-5.6 Sol (OR)" },
{ value: OpenRouterModel.GPT_5_6_Terra, label: "GPT-5.6 Terra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Luna, label: "GPT-5.6 Luna (OR)" },
Expand All @@ -53,6 +56,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "Vercel AI Gateway",
options: [
{ value: VercelModel.Claude_Fable_5_1, label: "Claude Fable 5.1 (Vercel)" },
{ value: VercelModel.Claude_Fable_5, label: "Claude Fable 5 (Vercel)" },
{ value: VercelModel.Claude_Opus_5, label: "Claude Opus 5 (Vercel)" },
{ value: VercelModel.Claude_Sonnet_5, label: "Claude Sonnet 5 (Vercel)" },
Expand All @@ -70,14 +74,14 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "OpenAI",
options: [
{ value: OpenAICodex.GPT_6_Astra, label: "GPT-6 Astra" },
{ value: OpenAICodex.GPT_5_6_Sol, label: "GPT-5.6 Sol" },
{ value: OpenAICodex.GPT_5_6_Terra, label: "GPT-5.6 Terra" },
{ value: OpenAICodex.GPT_5_6_Luna, label: "GPT-5.6 Luna" },
{ value: OpenAICodex.GPT_5_5, label: "GPT-5.5" },
{ value: OpenAICodex.GPT_5_4, label: "GPT-5.4" },
{ value: OpenAICodex.GPT_5_4_Mini, label: "GPT-5.4 Mini" },
{ value: OpenAICodex.GPT_5_3_Codex, label: "GPT-5.3 Codex" },
{ value: OpenAICodex.GPT_5_3_Codex_Spark, label: "GPT-5.3 Codex Spark" },
{ value: OpenAICodex.GPT_5_2_Codex, label: "GPT-5.2 Codex" },
{ value: OpenAICodex.GPT_5_1_Codex_Max, label: "GPT-5.1 Codex Max" },
{ value: OpenAICodex.GPT_5_1_Codex_Mini, label: "GPT-5.1 Codex Mini" },
Expand All @@ -86,6 +90,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "OpenRouter",
options: [
{ value: OpenRouterModel.Claude_Fable_5_1, label: "Claude Fable 5.1 (OR)" },
{ value: OpenRouterModel.Claude_Fable_5, label: "Claude Fable 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_5, label: "Claude Opus 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_4_5, label: "Claude Opus 4.5 (OR)" },
Expand All @@ -95,6 +100,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{ value: OpenRouterModel.DeepSeek_R1, label: "DeepSeek R1 (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Pro, label: "Gemini 2.5 Pro (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Flash, label: "Gemini 2.5 Flash (OR)" },
{ value: OpenRouterModel.GPT_6_Astra, label: "GPT-6 Astra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Sol, label: "GPT-5.6 Sol (OR)" },
{ value: OpenRouterModel.GPT_5_6_Terra, label: "GPT-5.6 Terra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Luna, label: "GPT-5.6 Luna (OR)" },
Expand All @@ -106,6 +112,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "Vercel AI Gateway",
options: [
{ value: VercelModel.GPT_6_Astra, label: "GPT-6 Astra (Vercel)" },
{ value: VercelModel.GPT_5_6_Sol, label: "GPT-5.6 Sol (Vercel)" },
{ value: VercelModel.GPT_5_6_Terra, label: "GPT-5.6 Terra (Vercel)" },
{ value: VercelModel.GPT_5_6_Luna, label: "GPT-5.6 Luna (Vercel)" },
Expand All @@ -122,15 +129,14 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
[Agent.OpenCode]: [
{
label: "OpenCode — Free",
options: [
{ value: OpenCodeModel.Zen_GPT_5_Nano, label: "GPT-5 Nano (Free)" },
{ value: OpenCodeModel.Zen_Big_Pickle, label: "Big Pickle (Free)" },
],
options: [{ value: OpenCodeModel.Zen_Big_Pickle, label: "Big Pickle (Free)" }],
},
{
label: "OpenCode — Paid",
options: [
{ value: OpenCodeModel.Zen_GPT_5_Nano, label: "GPT-5 Nano" },
{ value: OpenCodeModel.Zen_MiniMax_M2_7, label: "MiniMax M2.7" },
{ value: OpenCodeModel.Zen_Claude_Fable_5_1, label: "Claude Fable 5.1" },
{ value: OpenCodeModel.Zen_Claude_Fable_5, label: "Claude Fable 5" },
{ value: OpenCodeModel.Zen_Claude_Opus_5, label: "Claude Opus 5" },
{ value: OpenCodeModel.Zen_Claude_Sonnet_5, label: "Claude Sonnet 5" },
Expand All @@ -151,6 +157,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "Anthropic",
options: [
{ value: OpenCodeModel.Claude_Fable_5_1, label: "Claude Fable 5.1" },
{ value: OpenCodeModel.Claude_Fable_5, label: "Claude Fable 5" },
{ value: OpenCodeModel.Claude_Opus_5, label: "Claude Opus 5" },
{ value: OpenCodeModel.Claude_Opus_4_8, label: "Claude Opus 4.8" },
Expand All @@ -167,6 +174,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "OpenAI",
options: [
{ value: OpenCodeModel.GPT_6_Astra, label: "GPT-6 Astra" },
{ value: OpenCodeModel.GPT_5_5, label: "GPT-5.5" },
{ value: OpenCodeModel.GPT_5_4_Pro, label: "GPT-5.4 Pro" },
{ value: OpenCodeModel.GPT_5_4, label: "GPT-5.4" },
Expand All @@ -185,6 +193,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "OpenRouter",
options: [
{ value: OpenRouterModel.Claude_Fable_5_1, label: "Claude Fable 5.1 (OR)" },
{ value: OpenRouterModel.Claude_Fable_5, label: "Claude Fable 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_5, label: "Claude Opus 5 (OR)" },
{ value: OpenRouterModel.Claude_Opus_4_5, label: "Claude Opus 4.5 (OR)" },
Expand All @@ -194,6 +203,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{ value: OpenRouterModel.DeepSeek_R1, label: "DeepSeek R1 (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Pro, label: "Gemini 2.5 Pro (OR)" },
{ value: OpenRouterModel.Gemini_2_5_Flash, label: "Gemini 2.5 Flash (OR)" },
{ value: OpenRouterModel.GPT_6_Astra, label: "GPT-6 Astra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Sol, label: "GPT-5.6 Sol (OR)" },
{ value: OpenRouterModel.GPT_5_6_Terra, label: "GPT-5.6 Terra (OR)" },
{ value: OpenRouterModel.GPT_5_6_Luna, label: "GPT-5.6 Luna (OR)" },
Expand All @@ -205,6 +215,7 @@ export const MODEL_OPTIONS_BY_AGENT: Record<
{
label: "Vercel AI Gateway",
options: [
{ value: VercelModel.Claude_Fable_5_1, label: "Claude Fable 5.1 (Vercel)" },
{ value: VercelModel.Claude_Fable_5, label: "Claude Fable 5 (Vercel)" },
{ value: VercelModel.Claude_Opus_5, label: "Claude Opus 5 (Vercel)" },
{ value: VercelModel.Claude_Sonnet_5, label: "Claude Sonnet 5 (Vercel)" },
Expand Down
9 changes: 9 additions & 0 deletions packages/python-sdk/upstash_box/types.py
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Expand Up @@ -49,6 +49,7 @@ class Agent(str, Enum):
class ClaudeCode(str, Enum):
"""Claude Code model identifiers."""

FABLE_5_1 = "anthropic/claude-fable-5-1"
FABLE_5 = "anthropic/claude-fable-5"
OPUS_4_5 = "anthropic/claude-opus-4-5"
OPUS_4_6 = "anthropic/claude-opus-4-6"
Expand All @@ -65,6 +66,7 @@ class ClaudeCode(str, Enum):
class OpenAICodex(str, Enum):
"""OpenAI Codex model identifiers."""

GPT_6_ASTRA = "openai/gpt-6-astra"
GPT_5_6 = "openai/gpt-5.6"
GPT_5_6_SOL = "openai/gpt-5.6-sol"
GPT_5_6_TERRA = "openai/gpt-5.6-terra"
Expand All @@ -82,6 +84,7 @@ class OpenAICodex(str, Enum):
class OpenRouterModel(str, Enum):
"""OpenRouter model identifiers — shared across agents that support OpenRouter."""

CLAUDE_FABLE_5_1 = "openrouter/anthropic/claude-fable-5.1"
CLAUDE_FABLE_5 = "openrouter/anthropic/claude-fable-5"
CLAUDE_OPUS_5 = "openrouter/anthropic/claude-opus-5"
CLAUDE_SONNET_5 = "openrouter/anthropic/claude-sonnet-5"
Expand All @@ -91,6 +94,7 @@ class OpenRouterModel(str, Enum):
DEEPSEEK_R1 = "openrouter/deepseek/deepseek-r1"
GEMINI_2_5_PRO = "openrouter/google/gemini-2.5-pro"
GEMINI_2_5_FLASH = "openrouter/google/gemini-2.5-flash"
GPT_6_ASTRA = "openrouter/openai/gpt-6-astra"
GPT_5_6_SOL = "openrouter/openai/gpt-5.6-sol"
GPT_5_6_TERRA = "openrouter/openai/gpt-5.6-terra"
GPT_5_6_LUNA = "openrouter/openai/gpt-5.6-luna"
Expand All @@ -102,13 +106,15 @@ class OpenRouterModel(str, Enum):
class VercelModel(str, Enum):
"""Vercel AI Gateway model identifiers."""

CLAUDE_FABLE_5_1 = "vercel/anthropic/claude-fable-5.1"
CLAUDE_FABLE_5 = "vercel/anthropic/claude-fable-5"
CLAUDE_OPUS_5 = "vercel/anthropic/claude-opus-5"
CLAUDE_SONNET_5 = "vercel/anthropic/claude-sonnet-5"
CLAUDE_OPUS_4_7 = "vercel/anthropic/claude-opus-4.7"
CLAUDE_SONNET_4_6 = "vercel/anthropic/claude-sonnet-4.6"
CLAUDE_OPUS_4_6 = "vercel/anthropic/claude-opus-4.6"
CLAUDE_HAIKU_4_5 = "vercel/anthropic/claude-haiku-4.5"
GPT_6_ASTRA = "vercel/openai/gpt-6-astra"
GPT_5_6_SOL = "vercel/openai/gpt-5.6-sol"
GPT_5_6_TERRA = "vercel/openai/gpt-5.6-terra"
GPT_5_6_LUNA = "vercel/openai/gpt-5.6-luna"
Expand All @@ -128,6 +134,7 @@ class OpenCodeModel(str, Enum):
"""OpenCode model identifiers — supports models from multiple providers."""

# Anthropic-backed OpenCode models
CLAUDE_FABLE_5_1 = "opencode/claude-fable-5-1"
CLAUDE_FABLE_5 = "opencode/claude-fable-5"
CLAUDE_OPUS_5 = "opencode/claude-opus-5"
CLAUDE_OPUS_4_5 = "opencode/claude-opus-4-5"
Expand All @@ -140,6 +147,7 @@ class OpenCodeModel(str, Enum):
CLAUDE_SONNET_5 = "opencode/claude-sonnet-5"
CLAUDE_HAIKU_4_5 = "opencode/claude-haiku-4-5"
# OpenAI-backed OpenCode models
GPT_6_ASTRA = "opencode/gpt-6-astra"
GPT_5_5 = "opencode/gpt-5.5"
GPT_5_4 = "opencode/gpt-5.4"
GPT_5_4_PRO = "opencode/gpt-5.4-pro"
Expand All @@ -158,6 +166,7 @@ class OpenCodeModel(str, Enum):
ZEN_BIG_PICKLE = "opencode/big-pickle"
# Paid models
ZEN_MINIMAX_M2_7 = "opencode/minimax-m2.7"
ZEN_CLAUDE_FABLE_5_1 = "opencode/claude-fable-5-1"
ZEN_CLAUDE_FABLE_5 = "opencode/claude-fable-5"
ZEN_CLAUDE_OPUS_5 = "opencode/claude-opus-5"
ZEN_CLAUDE_SONNET_4_6 = "opencode/claude-sonnet-4-6"
Expand Down
3 changes: 3 additions & 0 deletions packages/sdk/README.md
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Expand Up @@ -385,6 +385,7 @@ The preferred field in agent config is `harness`, and it is required. Deprecated

| Enum | Value |
| ----------------------- | ----------------------------- |
| `ClaudeCode.Fable_5_1` | `anthropic/claude-fable-5-1` |
| `ClaudeCode.Fable_5` | `anthropic/claude-fable-5` |
| `ClaudeCode.Opus_5` | `anthropic/claude-opus-5` |
| `ClaudeCode.Opus_4_8` | `anthropic/claude-opus-4-8` |
Expand All @@ -401,6 +402,7 @@ The preferred field in agent config is `harness`, and it is required. Deprecated

| Enum | Value |
| --------------------------------- | ------------------------------ |
| `OpenAICodex.GPT_6_Astra` | `openai/gpt-6-astra` |
| `OpenAICodex.GPT_5_6` | `openai/gpt-5.6` (alias → Sol) |
| `OpenAICodex.GPT_5_6_Sol` | `openai/gpt-5.6-sol` |
| `OpenAICodex.GPT_5_6_Terra` | `openai/gpt-5.6-terra` |
Expand All @@ -417,6 +419,7 @@ The preferred field in agent config is `harness`, and it is required. Deprecated

| Enum | Value |
| ---------------------------------- | --------------------------------------- |
| `OpenRouterModel.Claude_Fable_5_1` | `openrouter/anthropic/claude-fable-5.1` |
| `OpenRouterModel.Claude_Fable_5` | `openrouter/anthropic/claude-fable-5` |
| `OpenRouterModel.Claude_Opus_5` | `openrouter/anthropic/claude-opus-5` |
| `OpenRouterModel.Claude_Sonnet_5` | `openrouter/anthropic/claude-sonnet-5` |
Expand Down
9 changes: 9 additions & 0 deletions packages/sdk/src/types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ export enum Agent {
* Claude Code model identifiers
*/
export enum ClaudeCode {
Fable_5_1 = "anthropic/claude-fable-5-1",
Fable_5 = "anthropic/claude-fable-5",
Opus_4_5 = "anthropic/claude-opus-4-5",
Opus_4_6 = "anthropic/claude-opus-4-6",
Expand All @@ -61,6 +62,7 @@ export enum ClaudeCode {
* OpenAI Codex model identifiers
*/
export enum OpenAICodex {
GPT_6_Astra = "openai/gpt-6-astra",
GPT_5_6 = "openai/gpt-5.6",
GPT_5_6_Sol = "openai/gpt-5.6-sol",
GPT_5_6_Terra = "openai/gpt-5.6-terra",
Expand All @@ -79,6 +81,7 @@ export enum OpenAICodex {
* OpenRouter model identifiers — shared across agents that support OpenRouter
*/
export enum OpenRouterModel {
Claude_Fable_5_1 = "openrouter/anthropic/claude-fable-5.1",
Claude_Fable_5 = "openrouter/anthropic/claude-fable-5",
Claude_Opus_5 = "openrouter/anthropic/claude-opus-5",
Claude_Sonnet_5 = "openrouter/anthropic/claude-sonnet-5",
Expand All @@ -88,6 +91,7 @@ export enum OpenRouterModel {
DeepSeek_R1 = "openrouter/deepseek/deepseek-r1",
Gemini_2_5_Pro = "openrouter/google/gemini-2.5-pro",
Gemini_2_5_Flash = "openrouter/google/gemini-2.5-flash",
GPT_6_Astra = "openrouter/openai/gpt-6-astra",
GPT_5_6_Sol = "openrouter/openai/gpt-5.6-sol",
GPT_5_6_Terra = "openrouter/openai/gpt-5.6-terra",
GPT_5_6_Luna = "openrouter/openai/gpt-5.6-luna",
Expand All @@ -100,13 +104,15 @@ export enum OpenRouterModel {
* Vercel AI Gateway model identifiers — shared across agents that support Vercel AI Gateway
*/
export enum VercelModel {
Claude_Fable_5_1 = "vercel/anthropic/claude-fable-5.1",
Claude_Fable_5 = "vercel/anthropic/claude-fable-5",
Claude_Opus_5 = "vercel/anthropic/claude-opus-5",
Claude_Sonnet_5 = "vercel/anthropic/claude-sonnet-5",
Claude_Opus_4_7 = "vercel/anthropic/claude-opus-4.7",
Claude_Sonnet_4_6 = "vercel/anthropic/claude-sonnet-4.6",
Claude_Opus_4_6 = "vercel/anthropic/claude-opus-4.6",
Claude_Haiku_4_5 = "vercel/anthropic/claude-haiku-4.5",
GPT_6_Astra = "vercel/openai/gpt-6-astra",
GPT_5_6_Sol = "vercel/openai/gpt-5.6-sol",
GPT_5_6_Terra = "vercel/openai/gpt-5.6-terra",
GPT_5_6_Luna = "vercel/openai/gpt-5.6-luna",
Expand All @@ -127,6 +133,7 @@ export enum VercelModel {
*/
export enum OpenCodeModel {
// Anthropic-backed OpenCode models
Claude_Fable_5_1 = "opencode/claude-fable-5-1",
Claude_Fable_5 = "opencode/claude-fable-5",
Claude_Opus_5 = "opencode/claude-opus-5",
Claude_Opus_4_5 = "opencode/claude-opus-4-5",
Expand All @@ -139,6 +146,7 @@ export enum OpenCodeModel {
Claude_Sonnet_5 = "opencode/claude-sonnet-5",
Claude_Haiku_4_5 = "opencode/claude-haiku-4-5",
// OpenAI-backed OpenCode models
GPT_6_Astra = "opencode/gpt-6-astra",
GPT_5_5 = "opencode/gpt-5.5",
GPT_5_4 = "opencode/gpt-5.4",
GPT_5_4_Pro = "opencode/gpt-5.4-pro",
Expand All @@ -157,6 +165,7 @@ export enum OpenCodeModel {
Zen_Big_Pickle = "opencode/big-pickle",
// Paid models
Zen_MiniMax_M2_7 = "opencode/minimax-m2.7",
Zen_Claude_Fable_5_1 = "opencode/claude-fable-5-1",
Zen_Claude_Fable_5 = "opencode/claude-fable-5",
Zen_Claude_Opus_5 = "opencode/claude-opus-5",
Zen_Claude_Sonnet_4_6 = "opencode/claude-sonnet-4-6",
Expand Down
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